206512490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{4621}}^1$

素因数の和:4778

約数の個数: 32

約数和(自身を含む): 384365520

約数和(自身を除く): 177853030

約数列:

[1, 2, 5, 10, 41, 82, 109, 205, 218, 410, 545, 1090, 4469, 4621, 8938, 9242, 22345, 23105, 44690, 46210, 189461, 378922, 503689, 947305, 1007378, 1894610, 2518445, 5036890, 20651249, 41302498, 103256245, 206512490]

約数ペア:

[(1, 206512490), (2, 103256245), (5, 41302498), (10, 20651249), (41, 5036890), (82, 2518445), (109, 1894610), (205, 1007378), (218, 947305), (410, 503689), (545, 378922), (1090, 189461), (4469, 46210), (4621, 44690), (8938, 23105), (9242, 22345)]