222580880

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4327}}^1$

素因数の和:4983

約数の個数: 40

約数和(自身を含む): 518425152

約数和(自身を除く): 295844272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 2572, 3215, 4327, 5144, 6430, 8654, 10288, 12860, 17308, 21635, 25720, 34616, 43270, 51440, 69232, 86540, 173080, 346160, 2782261, 5564522, 11129044, 13911305, 22258088, 27822610, 44516176, 55645220, 111290440, 222580880]

約数ペア:

[(1, 222580880), (2, 111290440), (4, 55645220), (5, 44516176), (8, 27822610), (10, 22258088), (16, 13911305), (20, 11129044), (40, 5564522), (80, 2782261), (643, 346160), (1286, 173080), (2572, 86540), (3215, 69232), (4327, 51440), (5144, 43270), (6430, 34616), (8654, 25720), (10288, 21635), (12860, 17308)]