30889640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 74304000

約数和(自身を除く): 43414360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 859, 899, 1160, 1240, 1718, 1798, 3436, 3596, 4295, 4495, 6872, 7192, 8590, 8990, 17180, 17980, 24911, 26629, 34360, 35960, 49822, 53258, 99644, 106516, 124555, 133145, 199288, 213032, 249110, 266290, 498220, 532580, 772241, 996440, 1065160, 1544482, 3088964, 3861205, 6177928, 7722410, 15444820, 30889640]

約数ペア:

[(1, 30889640), (2, 15444820), (4, 7722410), (5, 6177928), (8, 3861205), (10, 3088964), (20, 1544482), (29, 1065160), (31, 996440), (40, 772241), (58, 532580), (62, 498220), (116, 266290), (124, 249110), (145, 213032), (155, 199288), (232, 133145), (248, 124555), (290, 106516), (310, 99644), (580, 53258), (620, 49822), (859, 35960), (899, 34360), (1160, 26629), (1240, 24911), (1718, 17980), (1798, 17180), (3436, 8990), (3596, 8590), (4295, 7192), (4495, 6872)]