2199780

素因数分解:

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

素因数の和:138

約数の個数: 108

約数和(自身を含む): 7407036

約数和(自身を除く): 5207256

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 101, 110, 121, 132, 165, 180, 198, 202, 220, 242, 303, 330, 363, 396, 404, 484, 495, 505, 605, 606, 660, 726, 909, 990, 1010, 1089, 1111, 1210, 1212, 1452, 1515, 1815, 1818, 1980, 2020, 2178, 2222, 2420, 3030, 3333, 3630, 3636, 4356, 4444, 4545, 5445, 5555, 6060, 6666, 7260, 9090, 9999, 10890, 11110, 12221, 13332, 16665, 18180, 19998, 21780, 22220, 24442, 33330, 36663, 39996, 48884, 49995, 61105, 66660, 73326, 99990, 109989, 122210, 146652, 183315, 199980, 219978, 244420, 366630, 439956, 549945, 733260, 1099890, 2199780]

約数ペア:

[(1, 2199780), (2, 1099890), (3, 733260), (4, 549945), (5, 439956), (6, 366630), (9, 244420), (10, 219978), (11, 199980), (12, 183315), (15, 146652), (18, 122210), (20, 109989), (22, 99990), (30, 73326), (33, 66660), (36, 61105), (44, 49995), (45, 48884), (55, 39996), (60, 36663), (66, 33330), (90, 24442), (99, 22220), (101, 21780), (110, 19998), (121, 18180), (132, 16665), (165, 13332), (180, 12221), (198, 11110), (202, 10890), (220, 9999), (242, 9090), (303, 7260), (330, 6666), (363, 6060), (396, 5555), (404, 5445), (484, 4545), (495, 4444), (505, 4356), (605, 3636), (606, 3630), (660, 3333), (726, 3030), (909, 2420), (990, 2222), (1010, 2178), (1089, 2020), (1111, 1980), (1210, 1818), (1212, 1815), (1452, 1515)]