890707970

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1460177}}^1$

素因数の和:1460245

約数の個数: 16

約数和(自身を含む): 1629558648

約数和(自身を除く): 738850678

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 1460177, 2920354, 7300885, 14601770, 89070797, 178141594, 445353985, 890707970]

約数ペア:

[(1, 890707970), (2, 445353985), (5, 178141594), (10, 89070797), (61, 14601770), (122, 7300885), (305, 2920354), (610, 1460177)]