78839390450

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{304223}}^1$

素因数の和:304379

約数の個数: 48

約数和(自身を含む): 150744208896

約数和(自身を除く): 71904818446

約数列:

[1, 2, 5, 10, 25, 50, 71, 73, 142, 146, 355, 365, 710, 730, 1775, 1825, 3550, 3650, 5183, 10366, 25915, 51830, 129575, 259150, 304223, 608446, 1521115, 3042230, 7605575, 15211150, 21599833, 22208279, 43199666, 44416558, 107999165, 111041395, 215998330, 222082790, 539995825, 555206975, 1079991650, 1110413950, 1576787809, 3153575618, 7883939045, 15767878090, 39419695225, 78839390450]

約数ペア:

[(1, 78839390450), (2, 39419695225), (5, 15767878090), (10, 7883939045), (25, 3153575618), (50, 1576787809), (71, 1110413950), (73, 1079991650), (142, 555206975), (146, 539995825), (355, 222082790), (365, 215998330), (710, 111041395), (730, 107999165), (1775, 44416558), (1825, 43199666), (3550, 22208279), (3650, 21599833), (5183, 15211150), (10366, 7605575), (25915, 3042230), (51830, 1521115), (129575, 608446), (259150, 304223)]