99721820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4673}}^1$

素因数の和:4790

約数の個数: 48

約数和(自身を含む): 230858208

約数和(自身を除く): 131136388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 4673, 5335, 9346, 10670, 18692, 21340, 23365, 46730, 51403, 93460, 102806, 205612, 257015, 453281, 514030, 906562, 1028060, 1813124, 2266405, 4532810, 4986091, 9065620, 9972182, 19944364, 24930455, 49860910, 99721820]

約数ペア:

[(1, 99721820), (2, 49860910), (4, 24930455), (5, 19944364), (10, 9972182), (11, 9065620), (20, 4986091), (22, 4532810), (44, 2266405), (55, 1813124), (97, 1028060), (110, 906562), (194, 514030), (220, 453281), (388, 257015), (485, 205612), (970, 102806), (1067, 93460), (1940, 51403), (2134, 46730), (4268, 23365), (4673, 21340), (5335, 18692), (9346, 10670)]