253352080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{166679}}^1$

素因数の和:166711

約数の個数: 40

約数和(自身を含む): 620049600

約数和(自身を除く): 366697520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 166679, 333358, 666716, 833395, 1333432, 1666790, 2666864, 3166901, 3333580, 6333802, 6667160, 12667604, 13334320, 15834505, 25335208, 31669010, 50670416, 63338020, 126676040, 253352080]

約数ペア:

[(1, 253352080), (2, 126676040), (4, 63338020), (5, 50670416), (8, 31669010), (10, 25335208), (16, 15834505), (19, 13334320), (20, 12667604), (38, 6667160), (40, 6333802), (76, 3333580), (80, 3166901), (95, 2666864), (152, 1666790), (190, 1333432), (304, 833395), (380, 666716), (760, 333358), (1520, 166679)]