42991210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{401}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 79190784

約数和(自身を除く): 36199574

約数列:

[1, 2, 5, 10, 71, 142, 151, 302, 355, 401, 710, 755, 802, 1510, 2005, 4010, 10721, 21442, 28471, 53605, 56942, 60551, 107210, 121102, 142355, 284710, 302755, 605510, 4299121, 8598242, 21495605, 42991210]

約数ペア:

[(1, 42991210), (2, 21495605), (5, 8598242), (10, 4299121), (71, 605510), (142, 302755), (151, 284710), (302, 142355), (355, 121102), (401, 107210), (710, 60551), (755, 56942), (802, 53605), (1510, 28471), (2005, 21442), (4010, 10721)]