638961070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{27793}}^1$

素因数の和:27841

約数の個数: 48

約数和(自身を含む): 1330776720

約数和(自身を除く): 691815650

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 605, 1045, 1210, 2090, 2299, 4598, 11495, 22990, 27793, 55586, 138965, 277930, 305723, 528067, 611446, 1056134, 1528615, 2640335, 3057230, 3362953, 5280670, 5808737, 6725906, 11617474, 16814765, 29043685, 33629530, 58087370, 63896107, 127792214, 319480535, 638961070]

約数ペア:

[(1, 638961070), (2, 319480535), (5, 127792214), (10, 63896107), (11, 58087370), (19, 33629530), (22, 29043685), (38, 16814765), (55, 11617474), (95, 6725906), (110, 5808737), (121, 5280670), (190, 3362953), (209, 3057230), (242, 2640335), (418, 1528615), (605, 1056134), (1045, 611446), (1210, 528067), (2090, 305723), (2299, 277930), (4598, 138965), (11495, 55586), (22990, 27793)]