980788900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:303

約数の個数: 216

約数和(自身を含む): 2711779560

約数和(自身を除く): 1730990660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 89, 91, 98, 100, 130, 140, 173, 175, 178, 182, 196, 245, 260, 325, 346, 350, 356, 364, 445, 455, 490, 623, 637, 650, 692, 700, 865, 890, 910, 980, 1157, 1211, 1225, 1246, 1274, 1300, 1730, 1780, 1820, 2225, 2249, 2275, 2314, 2422, 2450, 2492, 2548, 3115, 3185, 3460, 4325, 4361, 4450, 4498, 4550, 4628, 4844, 4900, 5785, 6055, 6230, 6370, 8099, 8477, 8650, 8722, 8900, 8996, 9100, 11245, 11570, 12110, 12460, 12740, 15397, 15575, 15743, 15925, 16198, 16954, 17300, 17444, 21805, 22490, 23140, 24220, 28925, 30275, 30794, 31150, 31486, 31850, 32396, 33908, 40495, 42385, 43610, 44980, 56225, 56693, 57850, 60550, 61588, 62300, 62972, 63700, 76985, 78715, 80990, 84770, 87220, 107779, 109025, 110201, 112450, 113386, 115700, 121100, 153970, 157430, 161980, 169540, 200161, 202475, 211925, 215558, 218050, 220402, 224900, 226772, 283465, 307940, 314860, 384925, 393575, 400322, 404950, 423850, 431116, 436100, 440804, 538895, 551005, 566930, 754453, 769850, 787150, 800644, 809900, 847700, 1000805, 1077790, 1102010, 1133860, 1401127, 1417325, 1508906, 1539700, 1574300, 2001610, 2155580, 2204020, 2694475, 2755025, 2802254, 2834650, 3017812, 3772265, 4003220, 5004025, 5388950, 5510050, 5604508, 5669300, 7005635, 7544530, 9807889, 10008050, 10777900, 11020100, 14011270, 15089060, 18861325, 19615778, 20016100, 28022540, 35028175, 37722650, 39231556, 49039445, 70056350, 75445300, 98078890, 140112700, 196157780, 245197225, 490394450, 980788900]

約数ペア:

[(1, 980788900), (2, 490394450), (4, 245197225), (5, 196157780), (7, 140112700), (10, 98078890), (13, 75445300), (14, 70056350), (20, 49039445), (25, 39231556), (26, 37722650), (28, 35028175), (35, 28022540), (49, 20016100), (50, 19615778), (52, 18861325), (65, 15089060), (70, 14011270), (89, 11020100), (91, 10777900), (98, 10008050), (100, 9807889), (130, 7544530), (140, 7005635), (173, 5669300), (175, 5604508), (178, 5510050), (182, 5388950), (196, 5004025), (245, 4003220), (260, 3772265), (325, 3017812), (346, 2834650), (350, 2802254), (356, 2755025), (364, 2694475), (445, 2204020), (455, 2155580), (490, 2001610), (623, 1574300), (637, 1539700), (650, 1508906), (692, 1417325), (700, 1401127), (865, 1133860), (890, 1102010), (910, 1077790), (980, 1000805), (1157, 847700), (1211, 809900), (1225, 800644), (1246, 787150), (1274, 769850), (1300, 754453), (1730, 566930), (1780, 551005), (1820, 538895), (2225, 440804), (2249, 436100), (2275, 431116), (2314, 423850), (2422, 404950), (2450, 400322), (2492, 393575), (2548, 384925), (3115, 314860), (3185, 307940), (3460, 283465), (4325, 226772), (4361, 224900), (4450, 220402), (4498, 218050), (4550, 215558), (4628, 211925), (4844, 202475), (4900, 200161), (5785, 169540), (6055, 161980), (6230, 157430), (6370, 153970), (8099, 121100), (8477, 115700), (8650, 113386), (8722, 112450), (8900, 110201), (8996, 109025), (9100, 107779), (11245, 87220), (11570, 84770), (12110, 80990), (12460, 78715), (12740, 76985), (15397, 63700), (15575, 62972), (15743, 62300), (15925, 61588), (16198, 60550), (16954, 57850), (17300, 56693), (17444, 56225), (21805, 44980), (22490, 43610), (23140, 42385), (24220, 40495), (28925, 33908), (30275, 32396), (30794, 31850), (31150, 31486)]