1390322470

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{420037}}^1$

素因数の和:420375

約数の個数: 16

約数和(自身を含む): 2510147088

約数和(自身を除く): 1119824618

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 420037, 840074, 2100185, 4200370, 139032247, 278064494, 695161235, 1390322470]

約数ペア:

[(1, 1390322470), (2, 695161235), (5, 278064494), (10, 139032247), (331, 4200370), (662, 2100185), (1655, 840074), (3310, 420037)]