31437770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 70398720

約数和(自身を除く): 38960950

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 179, 182, 193, 358, 386, 455, 895, 910, 965, 1253, 1351, 1790, 1930, 2327, 2506, 2509, 2702, 4654, 5018, 6265, 6755, 11635, 12530, 12545, 13510, 16289, 17563, 23270, 25090, 32578, 34547, 35126, 69094, 81445, 87815, 162890, 172735, 175630, 241829, 345470, 449111, 483658, 898222, 1209145, 2245555, 2418290, 3143777, 4491110, 6287554, 15718885, 31437770]

約数ペア:

[(1, 31437770), (2, 15718885), (5, 6287554), (7, 4491110), (10, 3143777), (13, 2418290), (14, 2245555), (26, 1209145), (35, 898222), (65, 483658), (70, 449111), (91, 345470), (130, 241829), (179, 175630), (182, 172735), (193, 162890), (358, 87815), (386, 81445), (455, 69094), (895, 35126), (910, 34547), (965, 32578), (1253, 25090), (1351, 23270), (1790, 17563), (1930, 16289), (2327, 13510), (2506, 12545), (2509, 12530), (2702, 11635), (4654, 6755), (5018, 6265)]