215932970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{7759}}^1$

素因数の和:7811

約数の個数: 48

約数和(自身を含む): 445858560

約数和(自身を除く): 229925590

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 506, 605, 1210, 1265, 2530, 2783, 5566, 7759, 13915, 15518, 27830, 38795, 77590, 85349, 170698, 178457, 356914, 426745, 853490, 892285, 938839, 1784570, 1877678, 1963027, 3926054, 4694195, 9388390, 9815135, 19630270, 21593297, 43186594, 107966485, 215932970]

約数ペア:

[(1, 215932970), (2, 107966485), (5, 43186594), (10, 21593297), (11, 19630270), (22, 9815135), (23, 9388390), (46, 4694195), (55, 3926054), (110, 1963027), (115, 1877678), (121, 1784570), (230, 938839), (242, 892285), (253, 853490), (506, 426745), (605, 356914), (1210, 178457), (1265, 170698), (2530, 85349), (2783, 77590), (5566, 38795), (7759, 27830), (13915, 15518)]