42372500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1038

約数の個数: 60

約数和(自身を含む): 98209188

約数和(自身を除く): 55836688

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 625, 850, 997, 1250, 1700, 1994, 2125, 2500, 3988, 4250, 4985, 8500, 9970, 10625, 16949, 19940, 21250, 24925, 33898, 42500, 49850, 67796, 84745, 99700, 124625, 169490, 249250, 338980, 423725, 498500, 623125, 847450, 1246250, 1694900, 2118625, 2492500, 4237250, 8474500, 10593125, 21186250, 42372500]

約数ペア:

[(1, 42372500), (2, 21186250), (4, 10593125), (5, 8474500), (10, 4237250), (17, 2492500), (20, 2118625), (25, 1694900), (34, 1246250), (50, 847450), (68, 623125), (85, 498500), (100, 423725), (125, 338980), (170, 249250), (250, 169490), (340, 124625), (425, 99700), (500, 84745), (625, 67796), (850, 49850), (997, 42500), (1250, 33898), (1700, 24925), (1994, 21250), (2125, 19940), (2500, 16949), (3988, 10625), (4250, 9970), (4985, 8500)]