315996850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28597}}^1$

素因数の和:28639

約数の個数: 48

約数和(自身を含む): 670222728

約数和(自身を除く): 354225878

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 5525, 11050, 28597, 57194, 142985, 285970, 371761, 486149, 714925, 743522, 972298, 1429850, 1858805, 2430745, 3717610, 4861490, 6319937, 9294025, 12153725, 12639874, 18588050, 24307450, 31599685, 63199370, 157998425, 315996850]

約数ペア:

[(1, 315996850), (2, 157998425), (5, 63199370), (10, 31599685), (13, 24307450), (17, 18588050), (25, 12639874), (26, 12153725), (34, 9294025), (50, 6319937), (65, 4861490), (85, 3717610), (130, 2430745), (170, 1858805), (221, 1429850), (325, 972298), (425, 743522), (442, 714925), (650, 486149), (850, 371761), (1105, 285970), (2210, 142985), (5525, 57194), (11050, 28597)]