2018783540

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{461}}^1\times {\mathrm{631}}^1$

素因数の和:1448

約数の個数: 48

約数和(自身を含む): 4267638144

約数和(自身を除く): 2248854604

約数列:

[1, 2, 4, 5, 10, 20, 347, 461, 631, 694, 922, 1262, 1388, 1735, 1844, 2305, 2524, 3155, 3470, 4610, 6310, 6940, 9220, 12620, 159967, 218957, 290891, 319934, 437914, 581782, 639868, 799835, 875828, 1094785, 1163564, 1454455, 1599670, 2189570, 2908910, 3199340, 4379140, 5817820, 100939177, 201878354, 403756708, 504695885, 1009391770, 2018783540]

約数ペア:

[(1, 2018783540), (2, 1009391770), (4, 504695885), (5, 403756708), (10, 201878354), (20, 100939177), (347, 5817820), (461, 4379140), (631, 3199340), (694, 2908910), (922, 2189570), (1262, 1599670), (1388, 1454455), (1735, 1163564), (1844, 1094785), (2305, 875828), (2524, 799835), (3155, 639868), (3470, 581782), (4610, 437914), (6310, 319934), (6940, 290891), (9220, 218957), (12620, 159967)]