252458920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31091}}^1$

素因数の和:31138

約数の個数: 64

約数和(自身を含む): 671587200

約数和(自身を除く): 419128280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 31091, 62182, 124364, 155455, 217637, 248728, 310910, 435274, 621820, 870548, 901639, 1088185, 1243640, 1741096, 1803278, 2176370, 3606556, 4352740, 4508195, 6311473, 7213112, 8705480, 9016390, 12622946, 18032780, 25245892, 31557365, 36065560, 50491784, 63114730, 126229460, 252458920]

約数ペア:

[(1, 252458920), (2, 126229460), (4, 63114730), (5, 50491784), (7, 36065560), (8, 31557365), (10, 25245892), (14, 18032780), (20, 12622946), (28, 9016390), (29, 8705480), (35, 7213112), (40, 6311473), (56, 4508195), (58, 4352740), (70, 3606556), (116, 2176370), (140, 1803278), (145, 1741096), (203, 1243640), (232, 1088185), (280, 901639), (290, 870548), (406, 621820), (580, 435274), (812, 310910), (1015, 248728), (1160, 217637), (1624, 155455), (2030, 124364), (4060, 62182), (8120, 31091)]