8889178700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{40387}}^1$

素因数の和:40503

約数の個数: 72

約数和(自身を含む): 20192707584

約数和(自身を除く): 11303528884

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 100, 124, 142, 155, 284, 310, 355, 620, 710, 775, 1420, 1550, 1775, 2201, 3100, 3550, 4402, 7100, 8804, 11005, 22010, 40387, 44020, 55025, 80774, 110050, 161548, 201935, 220100, 403870, 807740, 1009675, 1251997, 2019350, 2503994, 2867477, 4038700, 5007988, 5734954, 6259985, 11469908, 12519970, 14337385, 25039940, 28674770, 31299925, 57349540, 62599850, 71686925, 88891787, 125199700, 143373850, 177783574, 286747700, 355567148, 444458935, 888917870, 1777835740, 2222294675, 4444589350, 8889178700]

約数ペア:

[(1, 8889178700), (2, 4444589350), (4, 2222294675), (5, 1777835740), (10, 888917870), (20, 444458935), (25, 355567148), (31, 286747700), (50, 177783574), (62, 143373850), (71, 125199700), (100, 88891787), (124, 71686925), (142, 62599850), (155, 57349540), (284, 31299925), (310, 28674770), (355, 25039940), (620, 14337385), (710, 12519970), (775, 11469908), (1420, 6259985), (1550, 5734954), (1775, 5007988), (2201, 4038700), (3100, 2867477), (3550, 2503994), (4402, 2019350), (7100, 1251997), (8804, 1009675), (11005, 807740), (22010, 403870), (40387, 220100), (44020, 201935), (55025, 161548), (80774, 110050)]