342399820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2445713}}^1$

素因数の和:2445729

約数の個数: 24

約数和(自身を含む): 821759904

約数和(自身を除く): 479360084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2445713, 4891426, 9782852, 12228565, 17119991, 24457130, 34239982, 48914260, 68479964, 85599955, 171199910, 342399820]

約数ペア:

[(1, 342399820), (2, 171199910), (4, 85599955), (5, 68479964), (7, 48914260), (10, 34239982), (14, 24457130), (20, 17119991), (28, 12228565), (35, 9782852), (70, 4891426), (140, 2445713)]