298820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 639744

約数和(自身を除く): 340924

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 223, 268, 335, 446, 670, 892, 1115, 1340, 2230, 4460, 14941, 29882, 59764, 74705, 149410, 298820]

約数ペア:

[(1, 298820), (2, 149410), (4, 74705), (5, 59764), (10, 29882), (20, 14941), (67, 4460), (134, 2230), (223, 1340), (268, 1115), (335, 892), (446, 670)]