9912140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{701}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 24058944

約数和(自身を除く): 14146804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 701, 707, 1010, 1402, 1414, 2020, 2804, 2828, 3505, 3535, 4907, 7010, 7070, 9814, 14020, 14140, 19628, 24535, 49070, 70801, 98140, 141602, 283204, 354005, 495607, 708010, 991214, 1416020, 1982428, 2478035, 4956070, 9912140]

約数ペア:

[(1, 9912140), (2, 4956070), (4, 2478035), (5, 1982428), (7, 1416020), (10, 991214), (14, 708010), (20, 495607), (28, 354005), (35, 283204), (70, 141602), (101, 98140), (140, 70801), (202, 49070), (404, 24535), (505, 19628), (701, 14140), (707, 14020), (1010, 9814), (1402, 7070), (1414, 7010), (2020, 4907), (2804, 3535), (2828, 3505)]