305847940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{2539}}^1$

素因数の和:2884

約数の個数: 48

約数和(自身を含む): 678484800

約数和(自身を除く): 372636860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 317, 380, 634, 1268, 1585, 2539, 3170, 5078, 6023, 6340, 10156, 12046, 12695, 24092, 25390, 30115, 48241, 50780, 60230, 96482, 120460, 192964, 241205, 482410, 804863, 964820, 1609726, 3219452, 4024315, 8048630, 15292397, 16097260, 30584794, 61169588, 76461985, 152923970, 305847940]

約数ペア:

[(1, 305847940), (2, 152923970), (4, 76461985), (5, 61169588), (10, 30584794), (19, 16097260), (20, 15292397), (38, 8048630), (76, 4024315), (95, 3219452), (190, 1609726), (317, 964820), (380, 804863), (634, 482410), (1268, 241205), (1585, 192964), (2539, 120460), (3170, 96482), (5078, 60230), (6023, 50780), (6340, 48241), (10156, 30115), (12046, 25390), (12695, 24092)]