9984400

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:356

約数の個数: 60

約数和(自身を含む): 24313300

約数和(自身を除く): 14328900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 229, 400, 436, 458, 545, 872, 916, 1090, 1145, 1744, 1832, 2180, 2290, 2725, 3664, 4360, 4580, 5450, 5725, 8720, 9160, 10900, 11450, 18320, 21800, 22900, 24961, 43600, 45800, 49922, 91600, 99844, 124805, 199688, 249610, 399376, 499220, 624025, 998440, 1248050, 1996880, 2496100, 4992200, 9984400]

約数ペア:

[(1, 9984400), (2, 4992200), (4, 2496100), (5, 1996880), (8, 1248050), (10, 998440), (16, 624025), (20, 499220), (25, 399376), (40, 249610), (50, 199688), (80, 124805), (100, 99844), (109, 91600), (200, 49922), (218, 45800), (229, 43600), (400, 24961), (436, 22900), (458, 21800), (545, 18320), (872, 11450), (916, 10900), (1090, 9160), (1145, 8720), (1744, 5725), (1832, 5450), (2180, 4580), (2290, 4360), (2725, 3664)]