207912140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{146417}}^1$

素因数の和:146497

約数の個数: 24

約数和(自身を含む): 442768032

約数和(自身を除く): 234855892

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 146417, 292834, 585668, 732085, 1464170, 2928340, 10395607, 20791214, 41582428, 51978035, 103956070, 207912140]

約数ペア:

[(1, 207912140), (2, 103956070), (4, 51978035), (5, 41582428), (10, 20791214), (20, 10395607), (71, 2928340), (142, 1464170), (284, 732085), (355, 585668), (710, 292834), (1420, 146417)]