221615660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{38609}}^1$

素因数の和:38666

約数の個数: 48

約数和(自身を含む): 544864320

約数和(自身を除く): 323248660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 38609, 77218, 154436, 193045, 270263, 386090, 540526, 772180, 1081052, 1351315, 1582969, 2702630, 3165938, 5405260, 6331876, 7914845, 11080783, 15829690, 22161566, 31659380, 44323132, 55403915, 110807830, 221615660]

約数ペア:

[(1, 221615660), (2, 110807830), (4, 55403915), (5, 44323132), (7, 31659380), (10, 22161566), (14, 15829690), (20, 11080783), (28, 7914845), (35, 6331876), (41, 5405260), (70, 3165938), (82, 2702630), (140, 1582969), (164, 1351315), (205, 1081052), (287, 772180), (410, 540526), (574, 386090), (820, 270263), (1148, 193045), (1435, 154436), (2870, 77218), (5740, 38609)]