221256900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{227}}^1$

素因数の和:288

約数の個数: 216

約数和(自身を含む): 754014240

約数和(自身を除く): 532757340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 90, 95, 100, 108, 114, 135, 150, 171, 180, 190, 225, 227, 228, 270, 285, 300, 342, 361, 380, 450, 454, 475, 513, 540, 570, 675, 681, 684, 722, 855, 900, 908, 950, 1026, 1083, 1135, 1140, 1350, 1362, 1425, 1444, 1710, 1805, 1900, 2043, 2052, 2166, 2270, 2565, 2700, 2724, 2850, 3249, 3405, 3420, 3610, 4086, 4275, 4313, 4332, 4540, 5130, 5415, 5675, 5700, 6129, 6498, 6810, 7220, 8172, 8550, 8626, 9025, 9747, 10215, 10260, 10830, 11350, 12258, 12825, 12939, 12996, 13620, 16245, 17025, 17100, 17252, 18050, 19494, 20430, 21565, 21660, 22700, 24516, 25650, 25878, 27075, 30645, 32490, 34050, 36100, 38817, 38988, 40860, 43130, 48735, 51075, 51300, 51756, 54150, 61290, 64695, 64980, 68100, 77634, 81225, 81947, 86260, 97470, 102150, 107825, 108300, 116451, 122580, 129390, 153225, 155268, 162450, 163894, 194085, 194940, 204300, 215650, 232902, 243675, 245841, 258780, 306450, 323475, 324900, 327788, 388170, 409735, 431300, 465804, 487350, 491682, 582255, 612900, 646950, 737523, 776340, 819470, 970425, 974700, 983364, 1164510, 1229205, 1293900, 1475046, 1638940, 1940850, 2048675, 2212569, 2329020, 2458410, 2911275, 2950092, 3687615, 3881700, 4097350, 4425138, 4916820, 5822550, 6146025, 7375230, 8194700, 8850276, 11062845, 11645100, 12292050, 14750460, 18438075, 22125690, 24584100, 36876150, 44251380, 55314225, 73752300, 110628450, 221256900]

約数ペア:

[(1, 221256900), (2, 110628450), (3, 73752300), (4, 55314225), (5, 44251380), (6, 36876150), (9, 24584100), (10, 22125690), (12, 18438075), (15, 14750460), (18, 12292050), (19, 11645100), (20, 11062845), (25, 8850276), (27, 8194700), (30, 7375230), (36, 6146025), (38, 5822550), (45, 4916820), (50, 4425138), (54, 4097350), (57, 3881700), (60, 3687615), (75, 2950092), (76, 2911275), (90, 2458410), (95, 2329020), (100, 2212569), (108, 2048675), (114, 1940850), (135, 1638940), (150, 1475046), (171, 1293900), (180, 1229205), (190, 1164510), (225, 983364), (227, 974700), (228, 970425), (270, 819470), (285, 776340), (300, 737523), (342, 646950), (361, 612900), (380, 582255), (450, 491682), (454, 487350), (475, 465804), (513, 431300), (540, 409735), (570, 388170), (675, 327788), (681, 324900), (684, 323475), (722, 306450), (855, 258780), (900, 245841), (908, 243675), (950, 232902), (1026, 215650), (1083, 204300), (1135, 194940), (1140, 194085), (1350, 163894), (1362, 162450), (1425, 155268), (1444, 153225), (1710, 129390), (1805, 122580), (1900, 116451), (2043, 108300), (2052, 107825), (2166, 102150), (2270, 97470), (2565, 86260), (2700, 81947), (2724, 81225), (2850, 77634), (3249, 68100), (3405, 64980), (3420, 64695), (3610, 61290), (4086, 54150), (4275, 51756), (4313, 51300), (4332, 51075), (4540, 48735), (5130, 43130), (5415, 40860), (5675, 38988), (5700, 38817), (6129, 36100), (6498, 34050), (6810, 32490), (7220, 30645), (8172, 27075), (8550, 25878), (8626, 25650), (9025, 24516), (9747, 22700), (10215, 21660), (10260, 21565), (10830, 20430), (11350, 19494), (12258, 18050), (12825, 17252), (12939, 17100), (12996, 17025), (13620, 16245)]