521728810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{2473}}^1$

素因数の和:2587

約数の個数: 48

約数和(自身を含む): 1011677976

約数和(自身を除く): 489949166

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 146, 170, 289, 365, 578, 730, 1241, 1445, 2473, 2482, 2890, 4946, 6205, 12365, 12410, 21097, 24730, 42041, 42194, 84082, 105485, 180529, 210205, 210970, 361058, 420410, 714697, 902645, 1429394, 1805290, 3068993, 3573485, 6137986, 7146970, 15344965, 30689930, 52172881, 104345762, 260864405, 521728810]

約数ペア:

[(1, 521728810), (2, 260864405), (5, 104345762), (10, 52172881), (17, 30689930), (34, 15344965), (73, 7146970), (85, 6137986), (146, 3573485), (170, 3068993), (289, 1805290), (365, 1429394), (578, 902645), (730, 714697), (1241, 420410), (1445, 361058), (2473, 210970), (2482, 210205), (2890, 180529), (4946, 105485), (6205, 84082), (12365, 42194), (12410, 42041), (21097, 24730)]