19903943700

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{31}}^2\times {\mathrm{2557}}^1$

素因数の和:2645

約数の個数: 270

約数和(自身を含む): 66695248158

約数和(自身を除く): 46791304458

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 31, 36, 45, 50, 54, 60, 62, 75, 81, 90, 93, 100, 108, 124, 135, 150, 155, 162, 180, 186, 225, 270, 279, 300, 310, 324, 372, 405, 450, 465, 540, 558, 620, 675, 775, 810, 837, 900, 930, 961, 1116, 1350, 1395, 1550, 1620, 1674, 1860, 1922, 2025, 2325, 2511, 2557, 2700, 2790, 2883, 3100, 3348, 3844, 4050, 4185, 4650, 4805, 5022, 5114, 5580, 5766, 6975, 7671, 8100, 8370, 8649, 9300, 9610, 10044, 10228, 11532, 12555, 12785, 13950, 14415, 15342, 16740, 17298, 19220, 20925, 23013, 24025, 25110, 25570, 25947, 27900, 28830, 30684, 34596, 38355, 41850, 43245, 46026, 48050, 50220, 51140, 51894, 57660, 62775, 63925, 69039, 72075, 76710, 77841, 79267, 83700, 86490, 92052, 96100, 103788, 115065, 125550, 127850, 129735, 138078, 144150, 153420, 155682, 158534, 172980, 191775, 207117, 216225, 230130, 237801, 251100, 255700, 259470, 276156, 288300, 311364, 317068, 345195, 383550, 389205, 396335, 414234, 432450, 460260, 475602, 518940, 575325, 648675, 690390, 713403, 767100, 778410, 792670, 828468, 864900, 951204, 1035585, 1150650, 1189005, 1297350, 1380780, 1426806, 1556820, 1585340, 1725975, 1946025, 1981675, 2071170, 2140209, 2301300, 2378010, 2457277, 2594700, 2853612, 3451950, 3567015, 3892050, 3963350, 4142340, 4280418, 4756020, 4914554, 5177925, 5945025, 6420627, 6903900, 7134030, 7371831, 7784100, 7926700, 8560836, 9829108, 10355850, 10701045, 11890050, 12286385, 12841254, 14268060, 14743662, 17835075, 20711700, 21402090, 22115493, 23780100, 24572770, 25682508, 29487324, 32103135, 35670150, 36859155, 42804180, 44230986, 49145540, 53505225, 61431925, 64206270, 66346479, 71340300, 73718310, 88461972, 107010450, 110577465, 122863850, 128412540, 132692958, 147436620, 160515675, 184295775, 199039437, 214020900, 221154930, 245727700, 265385916, 321031350, 331732395, 368591550, 398078874, 442309860, 552887325, 642062700, 663464790, 737183100, 796157748, 995197185, 1105774650, 1326929580, 1658661975, 1990394370, 2211549300, 3317323950, 3980788740, 4975985925, 6634647900, 9951971850, 19903943700]

約数ペア:

[(1, 19903943700), (2, 9951971850), (3, 6634647900), (4, 4975985925), (5, 3980788740), (6, 3317323950), (9, 2211549300), (10, 1990394370), (12, 1658661975), (15, 1326929580), (18, 1105774650), (20, 995197185), (25, 796157748), (27, 737183100), (30, 663464790), (31, 642062700), (36, 552887325), (45, 442309860), (50, 398078874), (54, 368591550), (60, 331732395), (62, 321031350), (75, 265385916), (81, 245727700), (90, 221154930), (93, 214020900), (100, 199039437), (108, 184295775), (124, 160515675), (135, 147436620), (150, 132692958), (155, 128412540), (162, 122863850), (180, 110577465), (186, 107010450), (225, 88461972), (270, 73718310), (279, 71340300), (300, 66346479), (310, 64206270), (324, 61431925), (372, 53505225), (405, 49145540), (450, 44230986), (465, 42804180), (540, 36859155), (558, 35670150), (620, 32103135), (675, 29487324), (775, 25682508), (810, 24572770), (837, 23780100), (900, 22115493), (930, 21402090), (961, 20711700), (1116, 17835075), (1350, 14743662), (1395, 14268060), (1550, 12841254), (1620, 12286385), (1674, 11890050), (1860, 10701045), (1922, 10355850), (2025, 9829108), (2325, 8560836), (2511, 7926700), (2557, 7784100), (2700, 7371831), (2790, 7134030), (2883, 6903900), (3100, 6420627), (3348, 5945025), (3844, 5177925), (4050, 4914554), (4185, 4756020), (4650, 4280418), (4805, 4142340), (5022, 3963350), (5114, 3892050), (5580, 3567015), (5766, 3451950), (6975, 2853612), (7671, 2594700), (8100, 2457277), (8370, 2378010), (8649, 2301300), (9300, 2140209), (9610, 2071170), (10044, 1981675), (10228, 1946025), (11532, 1725975), (12555, 1585340), (12785, 1556820), (13950, 1426806), (14415, 1380780), (15342, 1297350), (16740, 1189005), (17298, 1150650), (19220, 1035585), (20925, 951204), (23013, 864900), (24025, 828468), (25110, 792670), (25570, 778410), (25947, 767100), (27900, 713403), (28830, 690390), (30684, 648675), (34596, 575325), (38355, 518940), (41850, 475602), (43245, 460260), (46026, 432450), (48050, 414234), (50220, 396335), (51140, 389205), (51894, 383550), (57660, 345195), (62775, 317068), (63925, 311364), (69039, 288300), (72075, 276156), (76710, 259470), (77841, 255700), (79267, 251100), (83700, 237801), (86490, 230130), (92052, 216225), (96100, 207117), (103788, 191775), (115065, 172980), (125550, 158534), (127850, 155682), (129735, 153420), (138078, 144150)]