2109555620

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^2\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 4558626744

約数和(自身を除く): 2449071124

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 157, 193, 236, 295, 314, 386, 590, 628, 772, 785, 965, 1180, 1570, 1930, 3140, 3481, 3860, 6962, 9263, 11387, 13924, 17405, 18526, 22774, 30301, 34810, 37052, 45548, 46315, 56935, 60602, 69620, 92630, 113870, 121204, 151505, 185260, 227740, 303010, 546517, 606020, 671833, 1093034, 1343666, 1787759, 2186068, 2687332, 2732585, 3359165, 3575518, 5465170, 6718330, 7151036, 8938795, 10930340, 13436660, 17877590, 35755180, 105477781, 210955562, 421911124, 527388905, 1054777810, 2109555620]

約数ペア:

[(1, 2109555620), (2, 1054777810), (4, 527388905), (5, 421911124), (10, 210955562), (20, 105477781), (59, 35755180), (118, 17877590), (157, 13436660), (193, 10930340), (236, 8938795), (295, 7151036), (314, 6718330), (386, 5465170), (590, 3575518), (628, 3359165), (772, 2732585), (785, 2687332), (965, 2186068), (1180, 1787759), (1570, 1343666), (1930, 1093034), (3140, 671833), (3481, 606020), (3860, 546517), (6962, 303010), (9263, 227740), (11387, 185260), (13924, 151505), (17405, 121204), (18526, 113870), (22774, 92630), (30301, 69620), (34810, 60602), (37052, 56935), (45548, 46315)]