210351920

素因数分解:

$2^4\times 5^1\times {\mathrm{859}}^1\times {\mathrm{3061}}^1$

素因数の和:3933

約数の個数: 40

約数和(自身を含む): 489797520

約数和(自身を除く): 279445600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 859, 1718, 3061, 3436, 4295, 6122, 6872, 8590, 12244, 13744, 15305, 17180, 24488, 30610, 34360, 48976, 61220, 68720, 122440, 244880, 2629399, 5258798, 10517596, 13146995, 21035192, 26293990, 42070384, 52587980, 105175960, 210351920]

約数ペア:

[(1, 210351920), (2, 105175960), (4, 52587980), (5, 42070384), (8, 26293990), (10, 21035192), (16, 13146995), (20, 10517596), (40, 5258798), (80, 2629399), (859, 244880), (1718, 122440), (3061, 68720), (3436, 61220), (4295, 48976), (6122, 34360), (6872, 30610), (8590, 24488), (12244, 17180), (13744, 15305)]