331497640

素因数分解:

$2^3\times 5^1\times {\mathrm{2389}}^1\times {\mathrm{3469}}^1$

素因数の和:5869

約数の個数: 32

約数和(自身を含む): 746397000

約数和(自身を除く): 414899360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2389, 3469, 4778, 6938, 9556, 11945, 13876, 17345, 19112, 23890, 27752, 34690, 47780, 69380, 95560, 138760, 8287441, 16574882, 33149764, 41437205, 66299528, 82874410, 165748820, 331497640]

約数ペア:

[(1, 331497640), (2, 165748820), (4, 82874410), (5, 66299528), (8, 41437205), (10, 33149764), (20, 16574882), (40, 8287441), (2389, 138760), (3469, 95560), (4778, 69380), (6938, 47780), (9556, 34690), (11945, 27752), (13876, 23890), (17345, 19112)]