290380990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1528321}}^1$

素因数の和:1528347

約数の個数: 16

約数和(自身を含む): 550195920

約数和(自身を除く): 259814930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1528321, 3056642, 7641605, 15283210, 29038099, 58076198, 145190495, 290380990]

約数ペア:

[(1, 290380990), (2, 145190495), (5, 58076198), (10, 29038099), (19, 15283210), (38, 7641605), (95, 3056642), (190, 1528321)]