17378680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 25752200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 220, 254, 311, 440, 508, 622, 635, 1016, 1244, 1270, 1397, 1555, 2488, 2540, 2794, 3110, 3421, 5080, 5588, 6220, 6842, 6985, 11176, 12440, 13684, 13970, 17105, 27368, 27940, 34210, 39497, 55880, 68420, 78994, 136840, 157988, 197485, 315976, 394970, 434467, 789940, 868934, 1579880, 1737868, 2172335, 3475736, 4344670, 8689340, 17378680]

約数ペア:

[(1, 17378680), (2, 8689340), (4, 4344670), (5, 3475736), (8, 2172335), (10, 1737868), (11, 1579880), (20, 868934), (22, 789940), (40, 434467), (44, 394970), (55, 315976), (88, 197485), (110, 157988), (127, 136840), (220, 78994), (254, 68420), (311, 55880), (440, 39497), (508, 34210), (622, 27940), (635, 27368), (1016, 17105), (1244, 13970), (1270, 13684), (1397, 12440), (1555, 11176), (2488, 6985), (2540, 6842), (2794, 6220), (3110, 5588), (3421, 5080)]