74372180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 160043520

約数和(自身を除く): 85671340

約数列:

[1, 2, 4, 5, 10, 20, 79, 103, 158, 206, 316, 395, 412, 457, 515, 790, 914, 1030, 1580, 1828, 2060, 2285, 4570, 8137, 9140, 16274, 32548, 36103, 40685, 47071, 72206, 81370, 94142, 144412, 162740, 180515, 188284, 235355, 361030, 470710, 722060, 941420, 3718609, 7437218, 14874436, 18593045, 37186090, 74372180]

約数ペア:

[(1, 74372180), (2, 37186090), (4, 18593045), (5, 14874436), (10, 7437218), (20, 3718609), (79, 941420), (103, 722060), (158, 470710), (206, 361030), (316, 235355), (395, 188284), (412, 180515), (457, 162740), (515, 144412), (790, 94142), (914, 81370), (1030, 72206), (1580, 47071), (1828, 40685), (2060, 36103), (2285, 32548), (4570, 16274), (8137, 9140)]