313714960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{301649}}^1$

素因数の和:301675

約数の個数: 40

約数和(自身を含む): 785496600

約数和(自身を除く): 471781640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 301649, 603298, 1206596, 1508245, 2413192, 3016490, 3921437, 4826384, 6032980, 7842874, 12065960, 15685748, 19607185, 24131920, 31371496, 39214370, 62742992, 78428740, 156857480, 313714960]

約数ペア:

[(1, 313714960), (2, 156857480), (4, 78428740), (5, 62742992), (8, 39214370), (10, 31371496), (13, 24131920), (16, 19607185), (20, 15685748), (26, 12065960), (40, 7842874), (52, 6032980), (65, 4826384), (80, 3921437), (104, 3016490), (130, 2413192), (208, 1508245), (260, 1206596), (520, 603298), (1040, 301649)]