42918820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{306563}}^1$

素因数の和:306579

約数の個数: 24

約数和(自身を含む): 103005504

約数和(自身を除く): 60086684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 306563, 613126, 1226252, 1532815, 2145941, 3065630, 4291882, 6131260, 8583764, 10729705, 21459410, 42918820]

約数ペア:

[(1, 42918820), (2, 21459410), (4, 10729705), (5, 8583764), (7, 6131260), (10, 4291882), (14, 3065630), (20, 2145941), (28, 1532815), (35, 1226252), (70, 613126), (140, 306563)]