142135640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4861}}^1$

素因数の和:4932

約数の個数: 64

約数和(自身を含む): 346563360

約数和(自身を除く): 204427720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2924, 3655, 4861, 5848, 7310, 9722, 14620, 19444, 24305, 29240, 38888, 48610, 82637, 97220, 165274, 194440, 209023, 330548, 413185, 418046, 661096, 826370, 836092, 1045115, 1652740, 1672184, 2090230, 3305480, 3553391, 4180460, 7106782, 8360920, 14213564, 17766955, 28427128, 35533910, 71067820, 142135640]

約数ペア:

[(1, 142135640), (2, 71067820), (4, 35533910), (5, 28427128), (8, 17766955), (10, 14213564), (17, 8360920), (20, 7106782), (34, 4180460), (40, 3553391), (43, 3305480), (68, 2090230), (85, 1672184), (86, 1652740), (136, 1045115), (170, 836092), (172, 826370), (215, 661096), (340, 418046), (344, 413185), (430, 330548), (680, 209023), (731, 194440), (860, 165274), (1462, 97220), (1720, 82637), (2924, 48610), (3655, 38888), (4861, 29240), (5848, 24305), (7310, 19444), (9722, 14620)]