68998120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{90787}}^1$

素因数の和:90817

約数の個数: 32

約数和(自身を含む): 163418400

約数和(自身を除く): 94420280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 90787, 181574, 363148, 453935, 726296, 907870, 1724953, 1815740, 3449906, 3631480, 6899812, 8624765, 13799624, 17249530, 34499060, 68998120]

約数ペア:

[(1, 68998120), (2, 34499060), (4, 17249530), (5, 13799624), (8, 8624765), (10, 6899812), (19, 3631480), (20, 3449906), (38, 1815740), (40, 1724953), (76, 907870), (95, 726296), (152, 453935), (190, 363148), (380, 181574), (760, 90787)]