388461190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1087}}^1\times {\mathrm{2749}}^1$

素因数の和:3856

約数の個数: 32

約数和(自身を含む): 753984000

約数和(自身を除く): 365522810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1087, 2174, 2749, 5435, 5498, 10870, 13745, 14131, 27490, 28262, 35737, 70655, 71474, 141310, 178685, 357370, 2988163, 5976326, 14940815, 29881630, 38846119, 77692238, 194230595, 388461190]

約数ペア:

[(1, 388461190), (2, 194230595), (5, 77692238), (10, 38846119), (13, 29881630), (26, 14940815), (65, 5976326), (130, 2988163), (1087, 357370), (2174, 178685), (2749, 141310), (5435, 71474), (5498, 70655), (10870, 35737), (13745, 28262), (14131, 27490)]