1990415

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 32

約数和(自身を含む): 2954880

約数和(自身を除く): 964465

約数列:

[1, 5, 7, 29, 35, 37, 53, 145, 185, 203, 259, 265, 371, 1015, 1073, 1295, 1537, 1855, 1961, 5365, 7511, 7685, 9805, 10759, 13727, 37555, 53795, 56869, 68635, 284345, 398083, 1990415]

約数ペア:

[(1, 1990415), (5, 398083), (7, 284345), (29, 68635), (35, 56869), (37, 53795), (53, 37555), (145, 13727), (185, 10759), (203, 9805), (259, 7685), (265, 7511), (371, 5365), (1015, 1961), (1073, 1855), (1295, 1537)]