205122940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15803}}^1$

素因数の和:15882

約数の個数: 48

約数和(自身を含む): 477912960

約数和(自身を除く): 272790020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980, 15803, 31606, 63212, 79015, 158030, 173833, 316060, 347666, 695332, 869165, 932377, 1738330, 1864754, 3476660, 3729508, 4661885, 9323770, 10256147, 18647540, 20512294, 41024588, 51280735, 102561470, 205122940]

約数ペア:

[(1, 205122940), (2, 102561470), (4, 51280735), (5, 41024588), (10, 20512294), (11, 18647540), (20, 10256147), (22, 9323770), (44, 4661885), (55, 3729508), (59, 3476660), (110, 1864754), (118, 1738330), (220, 932377), (236, 869165), (295, 695332), (590, 347666), (649, 316060), (1180, 173833), (1298, 158030), (2596, 79015), (3245, 63212), (6490, 31606), (12980, 15803)]