1099890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 3174444

約数和(自身を除く): 2074554

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 101, 110, 121, 165, 198, 202, 242, 303, 330, 363, 495, 505, 605, 606, 726, 909, 990, 1010, 1089, 1111, 1210, 1515, 1815, 1818, 2178, 2222, 3030, 3333, 3630, 4545, 5445, 5555, 6666, 9090, 9999, 10890, 11110, 12221, 16665, 19998, 24442, 33330, 36663, 49995, 61105, 73326, 99990, 109989, 122210, 183315, 219978, 366630, 549945, 1099890]

約数ペア:

[(1, 1099890), (2, 549945), (3, 366630), (5, 219978), (6, 183315), (9, 122210), (10, 109989), (11, 99990), (15, 73326), (18, 61105), (22, 49995), (30, 36663), (33, 33330), (45, 24442), (55, 19998), (66, 16665), (90, 12221), (99, 11110), (101, 10890), (110, 9999), (121, 9090), (165, 6666), (198, 5555), (202, 5445), (242, 4545), (303, 3630), (330, 3333), (363, 3030), (495, 2222), (505, 2178), (605, 1818), (606, 1815), (726, 1515), (909, 1210), (990, 1111), (1010, 1089)]