23122220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{463}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 53319168

約数和(自身を除く): 30196948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 227, 454, 463, 908, 926, 1135, 1852, 2270, 2315, 2497, 4540, 4630, 4994, 5093, 9260, 9988, 10186, 12485, 20372, 24970, 25465, 49940, 50930, 101860, 105101, 210202, 420404, 525505, 1051010, 1156111, 2102020, 2312222, 4624444, 5780555, 11561110, 23122220]

約数ペア:

[(1, 23122220), (2, 11561110), (4, 5780555), (5, 4624444), (10, 2312222), (11, 2102020), (20, 1156111), (22, 1051010), (44, 525505), (55, 420404), (110, 210202), (220, 105101), (227, 101860), (454, 50930), (463, 49940), (908, 25465), (926, 24970), (1135, 20372), (1852, 12485), (2270, 10186), (2315, 9988), (2497, 9260), (4540, 5093), (4630, 4994)]