390795952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1285513}}^1$

素因数の和:1285540

約数の個数: 20

約数和(自身を含む): 797018680

約数和(自身を除く): 406222728

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1285513, 2571026, 5142052, 10284104, 20568208, 24424747, 48849494, 97698988, 195397976, 390795952]

約数ペア:

[(1, 390795952), (2, 195397976), (4, 97698988), (8, 48849494), (16, 24424747), (19, 20568208), (38, 10284104), (76, 5142052), (152, 2571026), (304, 1285513)]