157220890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{542141}}^1$

素因数の和:542177

約数の個数: 16

約数和(自身を含む): 292756680

約数和(自身を除く): 135535790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 542141, 1084282, 2710705, 5421410, 15722089, 31444178, 78610445, 157220890]

約数ペア:

[(1, 157220890), (2, 78610445), (5, 31444178), (10, 15722089), (29, 5421410), (58, 2710705), (145, 1084282), (290, 542141)]