2505090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 7004160

約数和(自身を除く): 4499070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 79, 105, 151, 158, 210, 237, 302, 395, 453, 474, 553, 755, 790, 906, 1057, 1106, 1185, 1510, 1659, 2114, 2265, 2370, 2765, 3171, 3318, 4530, 5285, 5530, 6342, 8295, 10570, 11929, 15855, 16590, 23858, 31710, 35787, 59645, 71574, 83503, 119290, 167006, 178935, 250509, 357870, 417515, 501018, 835030, 1252545, 2505090]

約数ペア:

[(1, 2505090), (2, 1252545), (3, 835030), (5, 501018), (6, 417515), (7, 357870), (10, 250509), (14, 178935), (15, 167006), (21, 119290), (30, 83503), (35, 71574), (42, 59645), (70, 35787), (79, 31710), (105, 23858), (151, 16590), (158, 15855), (210, 11929), (237, 10570), (302, 8295), (395, 6342), (453, 5530), (474, 5285), (553, 4530), (755, 3318), (790, 3171), (906, 2765), (1057, 2370), (1106, 2265), (1185, 2114), (1510, 1659)]