211380620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20443}}^1$

素因数の和:20510

約数の個数: 48

約数和(自身を含む): 494581248

約数和(自身を除く): 283200628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 20443, 40886, 81772, 102215, 204430, 224873, 408860, 449746, 899492, 960821, 1124365, 1921642, 2248730, 3843284, 4497460, 4804105, 9608210, 10569031, 19216420, 21138062, 42276124, 52845155, 105690310, 211380620]

約数ペア:

[(1, 211380620), (2, 105690310), (4, 52845155), (5, 42276124), (10, 21138062), (11, 19216420), (20, 10569031), (22, 9608210), (44, 4804105), (47, 4497460), (55, 3843284), (94, 2248730), (110, 1921642), (188, 1124365), (220, 960821), (235, 899492), (470, 449746), (517, 408860), (940, 224873), (1034, 204430), (2068, 102215), (2585, 81772), (5170, 40886), (10340, 20443)]