202399820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1445713}}^1$

素因数の和:1445729

約数の個数: 24

約数和(自身を含む): 485759904

約数和(自身を除く): 283360084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1445713, 2891426, 5782852, 7228565, 10119991, 14457130, 20239982, 28914260, 40479964, 50599955, 101199910, 202399820]

約数ペア:

[(1, 202399820), (2, 101199910), (4, 50599955), (5, 40479964), (7, 28914260), (10, 20239982), (14, 14457130), (20, 10119991), (28, 7228565), (35, 5782852), (70, 2891426), (140, 1445713)]