157518680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{357997}}^1$

素因数の和:358019

約数の個数: 32

約数和(自身を含む): 386637840

約数和(自身を除く): 229119160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 357997, 715994, 1431988, 1789985, 2863976, 3579970, 3937967, 7159940, 7875934, 14319880, 15751868, 19689835, 31503736, 39379670, 78759340, 157518680]

約数ペア:

[(1, 157518680), (2, 78759340), (4, 39379670), (5, 31503736), (8, 19689835), (10, 15751868), (11, 14319880), (20, 7875934), (22, 7159940), (40, 3937967), (44, 3579970), (55, 2863976), (88, 1789985), (110, 1431988), (220, 715994), (440, 357997)]