310026020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 662860800

約数和(自身を除く): 352834780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 239, 316, 395, 478, 790, 821, 956, 1195, 1580, 1642, 2390, 3284, 4105, 4780, 8210, 16420, 18881, 37762, 64859, 75524, 94405, 129718, 188810, 196219, 259436, 324295, 377620, 392438, 648590, 784876, 981095, 1297180, 1962190, 3924380, 15501301, 31002602, 62005204, 77506505, 155013010, 310026020]

約数ペア:

[(1, 310026020), (2, 155013010), (4, 77506505), (5, 62005204), (10, 31002602), (20, 15501301), (79, 3924380), (158, 1962190), (239, 1297180), (316, 981095), (395, 784876), (478, 648590), (790, 392438), (821, 377620), (956, 324295), (1195, 259436), (1580, 196219), (1642, 188810), (2390, 129718), (3284, 94405), (4105, 75524), (4780, 64859), (8210, 37762), (16420, 18881)]