28596680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 78382080

約数和(自身を除く): 49785400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 47, 53, 56, 70, 82, 94, 106, 140, 164, 188, 205, 212, 235, 265, 280, 287, 328, 329, 371, 376, 410, 424, 470, 530, 574, 658, 742, 820, 940, 1060, 1148, 1316, 1435, 1484, 1640, 1645, 1855, 1880, 1927, 2120, 2173, 2296, 2491, 2632, 2870, 2968, 3290, 3710, 3854, 4346, 4982, 5740, 6580, 7420, 7708, 8692, 9635, 9964, 10865, 11480, 12455, 13160, 13489, 14840, 15211, 15416, 17384, 17437, 19270, 19928, 21730, 24910, 26978, 30422, 34874, 38540, 43460, 49820, 53956, 60844, 67445, 69748, 76055, 77080, 86920, 87185, 99640, 102131, 107912, 121688, 134890, 139496, 152110, 174370, 204262, 269780, 304220, 348740, 408524, 510655, 539560, 608440, 697480, 714917, 817048, 1021310, 1429834, 2042620, 2859668, 3574585, 4085240, 5719336, 7149170, 14298340, 28596680]

約数ペア:

[(1, 28596680), (2, 14298340), (4, 7149170), (5, 5719336), (7, 4085240), (8, 3574585), (10, 2859668), (14, 2042620), (20, 1429834), (28, 1021310), (35, 817048), (40, 714917), (41, 697480), (47, 608440), (53, 539560), (56, 510655), (70, 408524), (82, 348740), (94, 304220), (106, 269780), (140, 204262), (164, 174370), (188, 152110), (205, 139496), (212, 134890), (235, 121688), (265, 107912), (280, 102131), (287, 99640), (328, 87185), (329, 86920), (371, 77080), (376, 76055), (410, 69748), (424, 67445), (470, 60844), (530, 53956), (574, 49820), (658, 43460), (742, 38540), (820, 34874), (940, 30422), (1060, 26978), (1148, 24910), (1316, 21730), (1435, 19928), (1484, 19270), (1640, 17437), (1645, 17384), (1855, 15416), (1880, 15211), (1927, 14840), (2120, 13489), (2173, 13160), (2296, 12455), (2491, 11480), (2632, 10865), (2870, 9964), (2968, 9635), (3290, 8692), (3710, 7708), (3854, 7420), (4346, 6580), (4982, 5740)]