257469260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{415273}}^1$

素因数の和:415313

約数の個数: 24

約数和(自身を含む): 558128256

約数和(自身を除く): 300658996

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 415273, 830546, 1661092, 2076365, 4152730, 8305460, 12873463, 25746926, 51493852, 64367315, 128734630, 257469260]

約数ペア:

[(1, 257469260), (2, 128734630), (4, 64367315), (5, 51493852), (10, 25746926), (20, 12873463), (31, 8305460), (62, 4152730), (124, 2076365), (155, 1661092), (310, 830546), (620, 415273)]