990534864

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{23747}}^1$

素因数の和:23848

約数の個数: 80

約数和(自身を含む): 2826961920

約数和(自身を除く): 1836427056

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 79, 88, 132, 158, 176, 237, 264, 316, 474, 528, 632, 869, 948, 1264, 1738, 1896, 2607, 3476, 3792, 5214, 6952, 10428, 13904, 20856, 23747, 41712, 47494, 71241, 94988, 142482, 189976, 261217, 284964, 379952, 522434, 569928, 783651, 1044868, 1139856, 1567302, 1876013, 2089736, 3134604, 3752026, 4179472, 5628039, 6269208, 7504052, 11256078, 12538416, 15008104, 20636143, 22512156, 30016208, 41272286, 45024312, 61908429, 82544572, 90048624, 123816858, 165089144, 247633716, 330178288, 495267432, 990534864]

約数ペア:

[(1, 990534864), (2, 495267432), (3, 330178288), (4, 247633716), (6, 165089144), (8, 123816858), (11, 90048624), (12, 82544572), (16, 61908429), (22, 45024312), (24, 41272286), (33, 30016208), (44, 22512156), (48, 20636143), (66, 15008104), (79, 12538416), (88, 11256078), (132, 7504052), (158, 6269208), (176, 5628039), (237, 4179472), (264, 3752026), (316, 3134604), (474, 2089736), (528, 1876013), (632, 1567302), (869, 1139856), (948, 1044868), (1264, 783651), (1738, 569928), (1896, 522434), (2607, 379952), (3476, 284964), (3792, 261217), (5214, 189976), (6952, 142482), (10428, 94988), (13904, 71241), (20856, 47494), (23747, 41712)]