31212440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5867}}^1$

素因数の和:5904

約数の個数: 64

約数和(自身を含む): 84499200

約数和(自身を除く): 53286760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 5867, 11734, 23468, 29335, 41069, 46936, 58670, 82138, 111473, 117340, 164276, 205345, 222946, 234680, 328552, 410690, 445892, 557365, 780311, 821380, 891784, 1114730, 1560622, 1642760, 2229460, 3121244, 3901555, 4458920, 6242488, 7803110, 15606220, 31212440]

約数ペア:

[(1, 31212440), (2, 15606220), (4, 7803110), (5, 6242488), (7, 4458920), (8, 3901555), (10, 3121244), (14, 2229460), (19, 1642760), (20, 1560622), (28, 1114730), (35, 891784), (38, 821380), (40, 780311), (56, 557365), (70, 445892), (76, 410690), (95, 328552), (133, 234680), (140, 222946), (152, 205345), (190, 164276), (266, 117340), (280, 111473), (380, 82138), (532, 58670), (665, 46936), (760, 41069), (1064, 29335), (1330, 23468), (2660, 11734), (5320, 5867)]