407993170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3571

約数の個数: 64

約数和(自身を含む): 844784640

約数和(自身を除く): 436791470

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 58, 62, 65, 130, 145, 155, 290, 310, 377, 403, 754, 806, 899, 1798, 1885, 2015, 3491, 3770, 4030, 4495, 6982, 8990, 11687, 17455, 23374, 34910, 45383, 58435, 90766, 101239, 108221, 116870, 202478, 216442, 226915, 453830, 506195, 541105, 1012390, 1082210, 1316107, 1406873, 2632214, 2813746, 3138409, 6276818, 6580535, 7034365, 13161070, 14068730, 15692045, 31384090, 40799317, 81598634, 203996585, 407993170]

約数ペア:

[(1, 407993170), (2, 203996585), (5, 81598634), (10, 40799317), (13, 31384090), (26, 15692045), (29, 14068730), (31, 13161070), (58, 7034365), (62, 6580535), (65, 6276818), (130, 3138409), (145, 2813746), (155, 2632214), (290, 1406873), (310, 1316107), (377, 1082210), (403, 1012390), (754, 541105), (806, 506195), (899, 453830), (1798, 226915), (1885, 216442), (2015, 202478), (3491, 116870), (3770, 108221), (4030, 101239), (4495, 90766), (6982, 58435), (8990, 45383), (11687, 34910), (17455, 23374)]