1984180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2733260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 311, 319, 580, 622, 638, 1244, 1276, 1555, 1595, 3110, 3190, 3421, 6220, 6380, 6842, 9019, 13684, 17105, 18038, 34210, 36076, 45095, 68420, 90190, 99209, 180380, 198418, 396836, 496045, 992090, 1984180]

約数ペア:

[(1, 1984180), (2, 992090), (4, 496045), (5, 396836), (10, 198418), (11, 180380), (20, 99209), (22, 90190), (29, 68420), (44, 45095), (55, 36076), (58, 34210), (110, 18038), (116, 17105), (145, 13684), (220, 9019), (290, 6842), (311, 6380), (319, 6220), (580, 3421), (622, 3190), (638, 3110), (1244, 1595), (1276, 1555)]