408280

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 939600

約数和(自身を除く): 531320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 173, 236, 295, 346, 472, 590, 692, 865, 1180, 1384, 1730, 2360, 3460, 6920, 10207, 20414, 40828, 51035, 81656, 102070, 204140, 408280]

約数ペア:

[(1, 408280), (2, 204140), (4, 102070), (5, 81656), (8, 51035), (10, 40828), (20, 20414), (40, 10207), (59, 6920), (118, 3460), (173, 2360), (236, 1730), (295, 1384), (346, 1180), (472, 865), (590, 692)]