47372620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 102489408

約数和(自身を除く): 55116788

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 355, 365, 457, 710, 730, 914, 1420, 1460, 1828, 2285, 4570, 5183, 9140, 10366, 20732, 25915, 32447, 33361, 51830, 64894, 66722, 103660, 129788, 133444, 162235, 166805, 324470, 333610, 648940, 667220, 2368631, 4737262, 9474524, 11843155, 23686310, 47372620]

約数ペア:

[(1, 47372620), (2, 23686310), (4, 11843155), (5, 9474524), (10, 4737262), (20, 2368631), (71, 667220), (73, 648940), (142, 333610), (146, 324470), (284, 166805), (292, 162235), (355, 133444), (365, 129788), (457, 103660), (710, 66722), (730, 64894), (914, 51830), (1420, 33361), (1460, 32447), (1828, 25915), (2285, 20732), (4570, 10366), (5183, 9140)]