68704760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{90401}}^1$

素因数の和:90431

約数の個数: 32

約数和(自身を含む): 162723600

約数和(自身を除く): 94018840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 90401, 180802, 361604, 452005, 723208, 904010, 1717619, 1808020, 3435238, 3616040, 6870476, 8588095, 13740952, 17176190, 34352380, 68704760]

約数ペア:

[(1, 68704760), (2, 34352380), (4, 17176190), (5, 13740952), (8, 8588095), (10, 6870476), (19, 3616040), (20, 3435238), (38, 1808020), (40, 1717619), (76, 904010), (95, 723208), (152, 452005), (190, 361604), (380, 180802), (760, 90401)]