397496730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{308137}}^1$

素因数の和:308190

約数の個数: 32

約数和(自身を含む): 976181184

約数和(自身を除く): 578684454

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 308137, 616274, 924411, 1540685, 1848822, 3081370, 4622055, 9244110, 13249891, 26499782, 39749673, 66249455, 79499346, 132498910, 198748365, 397496730]

約数ペア:

[(1, 397496730), (2, 198748365), (3, 132498910), (5, 79499346), (6, 66249455), (10, 39749673), (15, 26499782), (30, 13249891), (43, 9244110), (86, 4622055), (129, 3081370), (215, 1848822), (258, 1540685), (430, 924411), (645, 616274), (1290, 308137)]