206880920

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{6961}}^1$

素因数の和:7715

約数の個数: 32

約数和(自身を含む): 466175520

約数和(自身を除く): 259294600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2972, 3715, 5944, 6961, 7430, 13922, 14860, 27844, 29720, 34805, 55688, 69610, 139220, 278440, 5172023, 10344046, 20688092, 25860115, 41376184, 51720230, 103440460, 206880920]

約数ペア:

[(1, 206880920), (2, 103440460), (4, 51720230), (5, 41376184), (8, 25860115), (10, 20688092), (20, 10344046), (40, 5172023), (743, 278440), (1486, 139220), (2972, 69610), (3715, 55688), (5944, 34805), (6961, 29720), (7430, 27844), (13922, 14860)]