31823620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 68923008

約数和(自身を除く): 37099388

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 307, 355, 365, 614, 710, 730, 1228, 1420, 1460, 1535, 3070, 5183, 6140, 10366, 20732, 21797, 22411, 25915, 43594, 44822, 51830, 87188, 89644, 103660, 108985, 112055, 217970, 224110, 435940, 448220, 1591181, 3182362, 6364724, 7955905, 15911810, 31823620]

約数ペア:

[(1, 31823620), (2, 15911810), (4, 7955905), (5, 6364724), (10, 3182362), (20, 1591181), (71, 448220), (73, 435940), (142, 224110), (146, 217970), (284, 112055), (292, 108985), (307, 103660), (355, 89644), (365, 87188), (614, 51830), (710, 44822), (730, 43594), (1228, 25915), (1420, 22411), (1460, 21797), (1535, 20732), (3070, 10366), (5183, 6140)]