381614960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{153877}}^1$

素因数の和:153921

約数の個数: 40

約数和(自身を含む): 915881856

約数和(自身を除く): 534266896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 153877, 307754, 615508, 769385, 1231016, 1538770, 2462032, 3077540, 4770187, 6155080, 9540374, 12310160, 19080748, 23850935, 38161496, 47701870, 76322992, 95403740, 190807480, 381614960]

約数ペア:

[(1, 381614960), (2, 190807480), (4, 95403740), (5, 76322992), (8, 47701870), (10, 38161496), (16, 23850935), (20, 19080748), (31, 12310160), (40, 9540374), (62, 6155080), (80, 4770187), (124, 3077540), (155, 2462032), (248, 1538770), (310, 1231016), (496, 769385), (620, 615508), (1240, 307754), (2480, 153877)]