1671340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 3919104

約数和(自身を除く): 2247764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 107, 110, 142, 214, 220, 284, 355, 428, 535, 710, 781, 1070, 1177, 1420, 1562, 2140, 2354, 3124, 3905, 4708, 5885, 7597, 7810, 11770, 15194, 15620, 23540, 30388, 37985, 75970, 83567, 151940, 167134, 334268, 417835, 835670, 1671340]

約数ペア:

[(1, 1671340), (2, 835670), (4, 417835), (5, 334268), (10, 167134), (11, 151940), (20, 83567), (22, 75970), (44, 37985), (55, 30388), (71, 23540), (107, 15620), (110, 15194), (142, 11770), (214, 7810), (220, 7597), (284, 5885), (355, 4708), (428, 3905), (535, 3124), (710, 2354), (781, 2140), (1070, 1562), (1177, 1420)]