890246610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{81749}}^1$

素因数の和:81784

約数の個数: 72

約数和(自身を含む): 2544223500

約数和(自身を除く): 1653976890

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 2178, 3630, 5445, 10890, 81749, 163498, 245247, 408745, 490494, 735741, 817490, 899239, 1226235, 1471482, 1798478, 2452470, 2697717, 3678705, 4496195, 5395434, 7357410, 8093151, 8992390, 9891629, 13488585, 16186302, 19783258, 26977170, 29674887, 40465755, 49458145, 59349774, 80931510, 89024661, 98916290, 148374435, 178049322, 296748870, 445123305, 890246610]

約数ペア:

[(1, 890246610), (2, 445123305), (3, 296748870), (5, 178049322), (6, 148374435), (9, 98916290), (10, 89024661), (11, 80931510), (15, 59349774), (18, 49458145), (22, 40465755), (30, 29674887), (33, 26977170), (45, 19783258), (55, 16186302), (66, 13488585), (90, 9891629), (99, 8992390), (110, 8093151), (121, 7357410), (165, 5395434), (198, 4496195), (242, 3678705), (330, 2697717), (363, 2452470), (495, 1798478), (605, 1471482), (726, 1226235), (990, 899239), (1089, 817490), (1210, 735741), (1815, 490494), (2178, 408745), (3630, 245247), (5445, 163498), (10890, 81749)]