397029380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{5171}}^1$

素因数の和:5540

約数の個数: 48

約数和(自身を含む): 912340800

約数和(自身を除く): 515311420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 349, 698, 1396, 1745, 3490, 3839, 5171, 6980, 7678, 10342, 15356, 19195, 20684, 25855, 38390, 51710, 56881, 76780, 103420, 113762, 227524, 284405, 568810, 1137620, 1804679, 3609358, 7218716, 9023395, 18046790, 19851469, 36093580, 39702938, 79405876, 99257345, 198514690, 397029380]

約数ペア:

[(1, 397029380), (2, 198514690), (4, 99257345), (5, 79405876), (10, 39702938), (11, 36093580), (20, 19851469), (22, 18046790), (44, 9023395), (55, 7218716), (110, 3609358), (220, 1804679), (349, 1137620), (698, 568810), (1396, 284405), (1745, 227524), (3490, 113762), (3839, 103420), (5171, 76780), (6980, 56881), (7678, 51710), (10342, 38390), (15356, 25855), (19195, 20684)]