488706625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2557}}^1$

素因数の和:2722

約数の個数: 32

約数和(自身を含む): 670400640

約数和(自身を除く): 181694015

約数列:

[1, 5, 11, 25, 55, 125, 139, 275, 695, 1375, 1529, 2557, 3475, 7645, 12785, 17375, 28127, 38225, 63925, 140635, 191125, 319625, 355423, 703175, 1777115, 3515875, 3909653, 8885575, 19548265, 44427875, 97741325, 488706625]

約数ペア:

[(1, 488706625), (5, 97741325), (11, 44427875), (25, 19548265), (55, 8885575), (125, 3909653), (139, 3515875), (275, 1777115), (695, 703175), (1375, 355423), (1529, 319625), (2557, 191125), (3475, 140635), (7645, 63925), (12785, 38225), (17375, 28127)]