3281740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2131}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 8596224

約数和(自身を除く): 5314484

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 2131, 4262, 8524, 10655, 14917, 21310, 23441, 29834, 42620, 46882, 59668, 74585, 93764, 117205, 149170, 164087, 234410, 298340, 328174, 468820, 656348, 820435, 1640870, 3281740]

約数ペア:

[(1, 3281740), (2, 1640870), (4, 820435), (5, 656348), (7, 468820), (10, 328174), (11, 298340), (14, 234410), (20, 164087), (22, 149170), (28, 117205), (35, 93764), (44, 74585), (55, 59668), (70, 46882), (77, 42620), (110, 29834), (140, 23441), (154, 21310), (220, 14917), (308, 10655), (385, 8524), (770, 4262), (1540, 2131)]