285811630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{70921}}^1$

素因数の和:70972

約数の個数: 32

約数和(自身を含む): 571915008

約数和(自身を除く): 286103378

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 70921, 141842, 354605, 709210, 921973, 1843946, 2198551, 4397102, 4609865, 9219730, 10992755, 21985510, 28581163, 57162326, 142905815, 285811630]

約数ペア:

[(1, 285811630), (2, 142905815), (5, 57162326), (10, 28581163), (13, 21985510), (26, 10992755), (31, 9219730), (62, 4609865), (65, 4397102), (130, 2198551), (155, 1843946), (310, 921973), (403, 709210), (806, 354605), (2015, 141842), (4030, 70921)]