858561220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1931}}^1$

素因数の和:2041

約数の個数: 96

約数和(自身を含む): 2056513536

約数和(自身を除く): 1197952316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 47, 55, 86, 94, 110, 172, 188, 215, 220, 235, 430, 470, 473, 517, 860, 940, 946, 1034, 1892, 1931, 2021, 2068, 2365, 2585, 3862, 4042, 4730, 5170, 7724, 8084, 9460, 9655, 10105, 10340, 19310, 20210, 21241, 22231, 38620, 40420, 42482, 44462, 83033, 84964, 88924, 90757, 106205, 111155, 166066, 181514, 212410, 222310, 332132, 363028, 415165, 424820, 444620, 453785, 830330, 907570, 913363, 998327, 1660660, 1815140, 1826726, 1996654, 3653452, 3902551, 3993308, 4566815, 4991635, 7805102, 9133630, 9983270, 15610204, 18267260, 19512755, 19966540, 39025510, 42928061, 78051020, 85856122, 171712244, 214640305, 429280610, 858561220]

約数ペア:

[(1, 858561220), (2, 429280610), (4, 214640305), (5, 171712244), (10, 85856122), (11, 78051020), (20, 42928061), (22, 39025510), (43, 19966540), (44, 19512755), (47, 18267260), (55, 15610204), (86, 9983270), (94, 9133630), (110, 7805102), (172, 4991635), (188, 4566815), (215, 3993308), (220, 3902551), (235, 3653452), (430, 1996654), (470, 1826726), (473, 1815140), (517, 1660660), (860, 998327), (940, 913363), (946, 907570), (1034, 830330), (1892, 453785), (1931, 444620), (2021, 424820), (2068, 415165), (2365, 363028), (2585, 332132), (3862, 222310), (4042, 212410), (4730, 181514), (5170, 166066), (7724, 111155), (8084, 106205), (9460, 90757), (9655, 88924), (10105, 84964), (10340, 83033), (19310, 44462), (20210, 42482), (21241, 40420), (22231, 38620)]