318376780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{224209}}^1$

素因数の和:224289

約数の個数: 24

約数和(自身を含む): 678011040

約数和(自身を除く): 359634260

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 224209, 448418, 896836, 1121045, 2242090, 4484180, 15918839, 31837678, 63675356, 79594195, 159188390, 318376780]

約数ペア:

[(1, 318376780), (2, 159188390), (4, 79594195), (5, 63675356), (10, 31837678), (20, 15918839), (71, 4484180), (142, 2242090), (284, 1121045), (355, 896836), (710, 448418), (1420, 224209)]