256942250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{60457}}^1$

素因数の和:60491

約数の個数: 32

約数和(自身を含む): 509298192

約数和(自身を除く): 252355942

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 60457, 120914, 302285, 604570, 1027769, 1511425, 2055538, 3022850, 5138845, 7557125, 10277690, 15114250, 25694225, 51388450, 128471125, 256942250]

約数ペア:

[(1, 256942250), (2, 128471125), (5, 51388450), (10, 25694225), (17, 15114250), (25, 10277690), (34, 7557125), (50, 5138845), (85, 3022850), (125, 2055538), (170, 1511425), (250, 1027769), (425, 604570), (850, 302285), (2125, 120914), (4250, 60457)]