210541210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{911}}^1$

素因数の和:1131

約数の個数: 48

約数和(自身を含む): 419198976

約数和(自身を除く): 208657766

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 191, 242, 382, 605, 911, 955, 1210, 1822, 1910, 2101, 4202, 4555, 9110, 10021, 10505, 20042, 21010, 23111, 46222, 50105, 100210, 110231, 115555, 174001, 220462, 231110, 348002, 551155, 870005, 1102310, 1740010, 1914011, 3828022, 9570055, 19140110, 21054121, 42108242, 105270605, 210541210]

約数ペア:

[(1, 210541210), (2, 105270605), (5, 42108242), (10, 21054121), (11, 19140110), (22, 9570055), (55, 3828022), (110, 1914011), (121, 1740010), (191, 1102310), (242, 870005), (382, 551155), (605, 348002), (911, 231110), (955, 220462), (1210, 174001), (1822, 115555), (1910, 110231), (2101, 100210), (4202, 50105), (4555, 46222), (9110, 23111), (10021, 21010), (10505, 20042)]