1656820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 4027968

約数和(自身を除く): 2371148

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 443, 748, 886, 935, 1772, 1870, 2215, 3740, 4430, 4873, 7531, 8860, 9746, 15062, 19492, 24365, 30124, 37655, 48730, 75310, 82841, 97460, 150620, 165682, 331364, 414205, 828410, 1656820]

約数ペア:

[(1, 1656820), (2, 828410), (4, 414205), (5, 331364), (10, 165682), (11, 150620), (17, 97460), (20, 82841), (22, 75310), (34, 48730), (44, 37655), (55, 30124), (68, 24365), (85, 19492), (110, 15062), (170, 9746), (187, 8860), (220, 7531), (340, 4873), (374, 4430), (443, 3740), (748, 2215), (886, 1870), (935, 1772)]