202164860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{499}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 435456000

約数和(自身を除く): 233291140

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 431, 470, 499, 862, 940, 998, 1724, 1996, 2155, 2495, 4310, 4990, 8620, 9980, 20257, 23453, 40514, 46906, 81028, 93812, 101285, 117265, 202570, 215069, 234530, 405140, 430138, 469060, 860276, 1075345, 2150690, 4301380, 10108243, 20216486, 40432972, 50541215, 101082430, 202164860]

約数ペア:

[(1, 202164860), (2, 101082430), (4, 50541215), (5, 40432972), (10, 20216486), (20, 10108243), (47, 4301380), (94, 2150690), (188, 1075345), (235, 860276), (431, 469060), (470, 430138), (499, 405140), (862, 234530), (940, 215069), (998, 202570), (1724, 117265), (1996, 101285), (2155, 93812), (2495, 81028), (4310, 46906), (4990, 40514), (8620, 23453), (9980, 20257)]