208029290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2203}}^1$

素因数の和:2307

約数の個数: 64

約数和(自身を含む): 457021440

約数和(自身を除く): 248992150

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 71, 95, 133, 142, 190, 266, 355, 497, 665, 710, 994, 1330, 1349, 2203, 2485, 2698, 4406, 4970, 6745, 9443, 11015, 13490, 15421, 18886, 22030, 30842, 41857, 47215, 77105, 83714, 94430, 154210, 156413, 209285, 292999, 312826, 418570, 585998, 782065, 1094891, 1464995, 1564130, 2189782, 2929990, 2971847, 5474455, 5943694, 10948910, 14859235, 20802929, 29718470, 41605858, 104014645, 208029290]

約数ペア:

[(1, 208029290), (2, 104014645), (5, 41605858), (7, 29718470), (10, 20802929), (14, 14859235), (19, 10948910), (35, 5943694), (38, 5474455), (70, 2971847), (71, 2929990), (95, 2189782), (133, 1564130), (142, 1464995), (190, 1094891), (266, 782065), (355, 585998), (497, 418570), (665, 312826), (710, 292999), (994, 209285), (1330, 156413), (1349, 154210), (2203, 94430), (2485, 83714), (2698, 77105), (4406, 47215), (4970, 41857), (6745, 30842), (9443, 22030), (11015, 18886), (13490, 15421)]