200988990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{22111}}^1$

素因数の和:22225

約数の個数: 48

約数和(自身を含む): 527769216

約数和(自身を除く): 326780226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 101, 202, 303, 505, 606, 909, 1010, 1515, 1818, 3030, 4545, 9090, 22111, 44222, 66333, 110555, 132666, 198999, 221110, 331665, 397998, 663330, 994995, 1989990, 2233211, 4466422, 6699633, 11166055, 13399266, 20098899, 22332110, 33498165, 40197798, 66996330, 100494495, 200988990]

約数ペア:

[(1, 200988990), (2, 100494495), (3, 66996330), (5, 40197798), (6, 33498165), (9, 22332110), (10, 20098899), (15, 13399266), (18, 11166055), (30, 6699633), (45, 4466422), (90, 2233211), (101, 1989990), (202, 994995), (303, 663330), (505, 397998), (606, 331665), (909, 221110), (1010, 198999), (1515, 132666), (1818, 110555), (3030, 66333), (4545, 44222), (9090, 22111)]