200625580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1\times {\mathrm{419}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 428652000

約数和(自身を除く): 228026420

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 269, 356, 419, 445, 538, 838, 890, 1076, 1345, 1676, 1780, 2095, 2690, 4190, 5380, 8380, 23941, 37291, 47882, 74582, 95764, 112711, 119705, 149164, 186455, 225422, 239410, 372910, 450844, 478820, 563555, 745820, 1127110, 2254220, 10031279, 20062558, 40125116, 50156395, 100312790, 200625580]

約数ペア:

[(1, 200625580), (2, 100312790), (4, 50156395), (5, 40125116), (10, 20062558), (20, 10031279), (89, 2254220), (178, 1127110), (269, 745820), (356, 563555), (419, 478820), (445, 450844), (538, 372910), (838, 239410), (890, 225422), (1076, 186455), (1345, 149164), (1676, 119705), (1780, 112711), (2095, 95764), (2690, 74582), (4190, 47882), (5380, 37291), (8380, 23941)]