248032940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1\times {\mathrm{857}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 540540000

約数和(自身を除く): 292507060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 499, 580, 857, 998, 1714, 1996, 2495, 3428, 4285, 4990, 8570, 9980, 14471, 17140, 24853, 28942, 49706, 57884, 72355, 99412, 124265, 144710, 248530, 289420, 427643, 497060, 855286, 1710572, 2138215, 4276430, 8552860, 12401647, 24803294, 49606588, 62008235, 124016470, 248032940]

約数ペア:

[(1, 248032940), (2, 124016470), (4, 62008235), (5, 49606588), (10, 24803294), (20, 12401647), (29, 8552860), (58, 4276430), (116, 2138215), (145, 1710572), (290, 855286), (499, 497060), (580, 427643), (857, 289420), (998, 248530), (1714, 144710), (1996, 124265), (2495, 99412), (3428, 72355), (4285, 57884), (4990, 49706), (8570, 28942), (9980, 24853), (14471, 17140)]