219931730

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{1009}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 403159680

約数和(自身を除く): 183227950

約数列:

[1, 2, 5, 10, 71, 142, 307, 355, 614, 710, 1009, 1535, 2018, 3070, 5045, 10090, 21797, 43594, 71639, 108985, 143278, 217970, 309763, 358195, 619526, 716390, 1548815, 3097630, 21993173, 43986346, 109965865, 219931730]

約数ペア:

[(1, 219931730), (2, 109965865), (5, 43986346), (10, 21993173), (71, 3097630), (142, 1548815), (307, 716390), (355, 619526), (614, 358195), (710, 309763), (1009, 217970), (1535, 143278), (2018, 108985), (3070, 71639), (5045, 43594), (10090, 21797)]