251980730

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{3457}}^1$

素因数の和:3698

約数の個数: 32

約数和(自身を含む): 468323856

約数和(自身を除く): 216343126

約数列:

[1, 2, 5, 10, 37, 74, 185, 197, 370, 394, 985, 1970, 3457, 6914, 7289, 14578, 17285, 34570, 36445, 72890, 127909, 255818, 639545, 681029, 1279090, 1362058, 3405145, 6810290, 25198073, 50396146, 125990365, 251980730]

約数ペア:

[(1, 251980730), (2, 125990365), (5, 50396146), (10, 25198073), (37, 6810290), (74, 3405145), (185, 1362058), (197, 1279090), (370, 681029), (394, 639545), (985, 255818), (1970, 127909), (3457, 72890), (6914, 36445), (7289, 34570), (14578, 17285)]