491478620

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1\times {\mathrm{419}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 1043159040

約数和(自身を除く): 551680420

約数列:

[1, 2, 4, 5, 10, 20, 223, 263, 419, 446, 526, 838, 892, 1052, 1115, 1315, 1676, 2095, 2230, 2630, 4190, 4460, 5260, 8380, 58649, 93437, 110197, 117298, 186874, 220394, 234596, 293245, 373748, 440788, 467185, 550985, 586490, 934370, 1101970, 1172980, 1868740, 2203940, 24573931, 49147862, 98295724, 122869655, 245739310, 491478620]

約数ペア:

[(1, 491478620), (2, 245739310), (4, 122869655), (5, 98295724), (10, 49147862), (20, 24573931), (223, 2203940), (263, 1868740), (419, 1172980), (446, 1101970), (526, 934370), (838, 586490), (892, 550985), (1052, 467185), (1115, 440788), (1315, 373748), (1676, 293245), (2095, 234596), (2230, 220394), (2630, 186874), (4190, 117298), (4460, 110197), (5260, 93437), (8380, 58649)]