100406780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{70709}}^1$

素因数の和:70789

約数の個数: 24

約数和(自身を含む): 213827040

約数和(自身を除く): 113420260

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 70709, 141418, 282836, 353545, 707090, 1414180, 5020339, 10040678, 20081356, 25101695, 50203390, 100406780]

約数ペア:

[(1, 100406780), (2, 50203390), (4, 25101695), (5, 20081356), (10, 10040678), (20, 5020339), (71, 1414180), (142, 707090), (284, 353545), (355, 282836), (710, 141418), (1420, 70709)]