1290359620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{124793}}^1$

素因数の和:124860

約数の個数: 48

約数和(自身を含む): 3019016448

約数和(自身を除く): 1728656828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 124793, 249586, 499172, 623965, 1247930, 1372723, 2495860, 2745446, 5490892, 5865271, 6863615, 11730542, 13727230, 23461084, 27454460, 29326355, 58652710, 64517981, 117305420, 129035962, 258071924, 322589905, 645179810, 1290359620]

約数ペア:

[(1, 1290359620), (2, 645179810), (4, 322589905), (5, 258071924), (10, 129035962), (11, 117305420), (20, 64517981), (22, 58652710), (44, 29326355), (47, 27454460), (55, 23461084), (94, 13727230), (110, 11730542), (188, 6863615), (220, 5865271), (235, 5490892), (470, 2745446), (517, 2495860), (940, 1372723), (1034, 1247930), (2068, 623965), (2585, 499172), (5170, 249586), (10340, 124793)]