154428980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{249079}}^1$

素因数の和:249119

約数の個数: 24

約数和(自身を含む): 334763520

約数和(自身を除く): 180334540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 249079, 498158, 996316, 1245395, 2490790, 4981580, 7721449, 15442898, 30885796, 38607245, 77214490, 154428980]

約数ペア:

[(1, 154428980), (2, 77214490), (4, 38607245), (5, 30885796), (10, 15442898), (20, 7721449), (31, 4981580), (62, 2490790), (124, 1245395), (155, 996316), (310, 498158), (620, 249079)]