209304860

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{1993}}^1$

素因数の和:2150

約数の個数: 48

約数和(自身を含む): 452239200

約数和(自身を除く): 242934340

約数列:

[1, 2, 4, 5, 10, 20, 59, 89, 118, 178, 236, 295, 356, 445, 590, 890, 1180, 1780, 1993, 3986, 5251, 7972, 9965, 10502, 19930, 21004, 26255, 39860, 52510, 105020, 117587, 177377, 235174, 354754, 470348, 587935, 709508, 886885, 1175870, 1773770, 2351740, 3547540, 10465243, 20930486, 41860972, 52326215, 104652430, 209304860]

約数ペア:

[(1, 209304860), (2, 104652430), (4, 52326215), (5, 41860972), (10, 20930486), (20, 10465243), (59, 3547540), (89, 2351740), (118, 1773770), (178, 1175870), (236, 886885), (295, 709508), (356, 587935), (445, 470348), (590, 354754), (890, 235174), (1180, 177377), (1780, 117587), (1993, 105020), (3986, 52510), (5251, 39860), (7972, 26255), (9965, 21004), (10502, 19930)]