90304840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{77849}}^1$

素因数の和:77889

約数の個数: 32

約数和(自身を含む): 210195000

約数和(自身を除く): 119890160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 77849, 155698, 311396, 389245, 622792, 778490, 1556980, 2257621, 3113960, 4515242, 9030484, 11288105, 18060968, 22576210, 45152420, 90304840]

約数ペア:

[(1, 90304840), (2, 45152420), (4, 22576210), (5, 18060968), (8, 11288105), (10, 9030484), (20, 4515242), (29, 3113960), (40, 2257621), (58, 1556980), (116, 778490), (145, 622792), (232, 389245), (290, 311396), (580, 155698), (1160, 77849)]