154521980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{249229}}^1$

素因数の和:249269

約数の個数: 24

約数和(自身を含む): 334965120

約数和(自身を除く): 180443140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 249229, 498458, 996916, 1246145, 2492290, 4984580, 7726099, 15452198, 30904396, 38630495, 77260990, 154521980]

約数ペア:

[(1, 154521980), (2, 77260990), (4, 38630495), (5, 30904396), (10, 15452198), (20, 7726099), (31, 4984580), (62, 2492290), (124, 1246145), (155, 996916), (310, 498458), (620, 249229)]