291225641780

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1\times {\mathrm{155269}}^1$

素因数の和:155960

約数の個数: 48

約数和(自身を含む): 616031861760

約数和(自身を除く): 324806219980

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 491, 764, 955, 982, 1910, 1964, 2455, 3820, 4910, 9820, 93781, 155269, 187562, 310538, 375124, 468905, 621076, 776345, 937810, 1552690, 1875620, 3105380, 29656379, 59312758, 76237079, 118625516, 148281895, 152474158, 296563790, 304948316, 381185395, 593127580, 762370790, 1524741580, 14561282089, 29122564178, 58245128356, 72806410445, 145612820890, 291225641780]

約数ペア:

[(1, 291225641780), (2, 145612820890), (4, 72806410445), (5, 58245128356), (10, 29122564178), (20, 14561282089), (191, 1524741580), (382, 762370790), (491, 593127580), (764, 381185395), (955, 304948316), (982, 296563790), (1910, 152474158), (1964, 148281895), (2455, 118625516), (3820, 76237079), (4910, 59312758), (9820, 29656379), (93781, 3105380), (155269, 1875620), (187562, 1552690), (310538, 937810), (375124, 776345), (468905, 621076)]