2018776220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2099}}^1\times {\mathrm{2531}}^1$

素因数の和:4658

約数の個数: 48

約数和(自身を含む): 4466448000

約数和(自身を除く): 2447671780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2099, 2531, 4198, 5062, 8396, 10124, 10495, 12655, 20990, 25310, 39881, 41980, 48089, 50620, 79762, 96178, 159524, 192356, 199405, 240445, 398810, 480890, 797620, 961780, 5312569, 10625138, 21250276, 26562845, 53125690, 100938811, 106251380, 201877622, 403755244, 504694055, 1009388110, 2018776220]

約数ペア:

[(1, 2018776220), (2, 1009388110), (4, 504694055), (5, 403755244), (10, 201877622), (19, 106251380), (20, 100938811), (38, 53125690), (76, 26562845), (95, 21250276), (190, 10625138), (380, 5312569), (2099, 961780), (2531, 797620), (4198, 480890), (5062, 398810), (8396, 240445), (10124, 199405), (10495, 192356), (12655, 159524), (20990, 96178), (25310, 79762), (39881, 50620), (41980, 48089)]