201960643940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1997}}^1\times {\mathrm{459691}}^1$

素因数の和:461708

約数の個数: 48

約数和(自身を含む): 462906166464

約数和(自身を除く): 260945522524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1997, 3994, 7988, 9985, 19970, 21967, 39940, 43934, 87868, 109835, 219670, 439340, 459691, 919382, 1838764, 2298455, 4596910, 5056601, 9193820, 10113202, 20226404, 25283005, 50566010, 101132020, 918002927, 1836005854, 3672011708, 4590014635, 9180029270, 10098032197, 18360058540, 20196064394, 40392128788, 50490160985, 100980321970, 201960643940]

約数ペア:

[(1, 201960643940), (2, 100980321970), (4, 50490160985), (5, 40392128788), (10, 20196064394), (11, 18360058540), (20, 10098032197), (22, 9180029270), (44, 4590014635), (55, 3672011708), (110, 1836005854), (220, 918002927), (1997, 101132020), (3994, 50566010), (7988, 25283005), (9985, 20226404), (19970, 10113202), (21967, 9193820), (39940, 5056601), (43934, 4596910), (87868, 2298455), (109835, 1838764), (219670, 919382), (439340, 459691)]