227973140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1\times {\mathrm{499}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 489888000

約数和(自身を除く): 261914860

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 431, 499, 530, 862, 998, 1060, 1724, 1996, 2155, 2495, 4310, 4990, 8620, 9980, 22843, 26447, 45686, 52894, 91372, 105788, 114215, 132235, 215069, 228430, 264470, 430138, 456860, 528940, 860276, 1075345, 2150690, 4301380, 11398657, 22797314, 45594628, 56993285, 113986570, 227973140]

約数ペア:

[(1, 227973140), (2, 113986570), (4, 56993285), (5, 45594628), (10, 22797314), (20, 11398657), (53, 4301380), (106, 2150690), (212, 1075345), (265, 860276), (431, 528940), (499, 456860), (530, 430138), (862, 264470), (998, 228430), (1060, 215069), (1724, 132235), (1996, 114215), (2155, 105788), (2495, 91372), (4310, 52894), (4990, 45686), (8620, 26447), (9980, 22843)]