7228280

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1151}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 16381440

約数和(自身を除く): 9153160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1151, 1256, 1570, 2302, 3140, 4604, 5755, 6280, 9208, 11510, 23020, 46040, 180707, 361414, 722828, 903535, 1445656, 1807070, 3614140, 7228280]

約数ペア:

[(1, 7228280), (2, 3614140), (4, 1807070), (5, 1445656), (8, 903535), (10, 722828), (20, 361414), (40, 180707), (157, 46040), (314, 23020), (628, 11510), (785, 9208), (1151, 6280), (1256, 5755), (1570, 4604), (2302, 3140)]