142139920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1409}}^1$

素因数の和:1532

約数の個数: 80

約数和(自身を含む): 359820720

約数和(自身を除く): 217680800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 485, 520, 776, 970, 1040, 1261, 1409, 1552, 1940, 2522, 2818, 3880, 5044, 5636, 6305, 7045, 7760, 10088, 11272, 12610, 14090, 18317, 20176, 22544, 25220, 28180, 36634, 50440, 56360, 73268, 91585, 100880, 112720, 136673, 146536, 183170, 273346, 293072, 366340, 546692, 683365, 732680, 1093384, 1366730, 1465360, 1776749, 2186768, 2733460, 3553498, 5466920, 7106996, 8883745, 10933840, 14213992, 17767490, 28427984, 35534980, 71069960, 142139920]

約数ペア:

[(1, 142139920), (2, 71069960), (4, 35534980), (5, 28427984), (8, 17767490), (10, 14213992), (13, 10933840), (16, 8883745), (20, 7106996), (26, 5466920), (40, 3553498), (52, 2733460), (65, 2186768), (80, 1776749), (97, 1465360), (104, 1366730), (130, 1093384), (194, 732680), (208, 683365), (260, 546692), (388, 366340), (485, 293072), (520, 273346), (776, 183170), (970, 146536), (1040, 136673), (1261, 112720), (1409, 100880), (1552, 91585), (1940, 73268), (2522, 56360), (2818, 50440), (3880, 36634), (5044, 28180), (5636, 25220), (6305, 22544), (7045, 20176), (7760, 18317), (10088, 14090), (11272, 12610)]