389714950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{251429}}^1$

素因数の和:251472

約数の個数: 24

約数和(自身を含む): 748255680

約数和(自身を除く): 358540730

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 251429, 502858, 1257145, 2514290, 6285725, 7794299, 12571450, 15588598, 38971495, 77942990, 194857475, 389714950]

約数ペア:

[(1, 389714950), (2, 194857475), (5, 77942990), (10, 38971495), (25, 15588598), (31, 12571450), (50, 7794299), (62, 6285725), (155, 2514290), (310, 1257145), (775, 502858), (1550, 251429)]