90640270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{14549}}^1$

素因数の和:14652

約数の個数: 32

約数和(自身を含む): 188568000

約数和(自身を除く): 97927730

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 14549, 29098, 72745, 101843, 145490, 203686, 509215, 1018430, 1294861, 2589722, 6474305, 9064027, 12948610, 18128054, 45320135, 90640270]

約数ペア:

[(1, 90640270), (2, 45320135), (5, 18128054), (7, 12948610), (10, 9064027), (14, 6474305), (35, 2589722), (70, 1294861), (89, 1018430), (178, 509215), (445, 203686), (623, 145490), (890, 101843), (1246, 72745), (3115, 29098), (6230, 14549)]