15394540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109961}}^1$

素因数の和:109977

約数の個数: 24

約数和(自身を含む): 36947232

約数和(自身を除く): 21552692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 109961, 219922, 439844, 549805, 769727, 1099610, 1539454, 2199220, 3078908, 3848635, 7697270, 15394540]

約数ペア:

[(1, 15394540), (2, 7697270), (4, 3848635), (5, 3078908), (7, 2199220), (10, 1539454), (14, 1099610), (20, 769727), (28, 549805), (35, 439844), (70, 219922), (140, 109961)]