9989320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 24935040

約数和(自身を除く): 14945720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 311, 365, 440, 584, 622, 730, 803, 1244, 1460, 1555, 1606, 2488, 2920, 3110, 3212, 3421, 4015, 6220, 6424, 6842, 8030, 12440, 13684, 16060, 17105, 22703, 27368, 32120, 34210, 45406, 68420, 90812, 113515, 136840, 181624, 227030, 249733, 454060, 499466, 908120, 998932, 1248665, 1997864, 2497330, 4994660, 9989320]

約数ペア:

[(1, 9989320), (2, 4994660), (4, 2497330), (5, 1997864), (8, 1248665), (10, 998932), (11, 908120), (20, 499466), (22, 454060), (40, 249733), (44, 227030), (55, 181624), (73, 136840), (88, 113515), (110, 90812), (146, 68420), (220, 45406), (292, 34210), (311, 32120), (365, 27368), (440, 22703), (584, 17105), (622, 16060), (730, 13684), (803, 12440), (1244, 8030), (1460, 6842), (1555, 6424), (1606, 6220), (2488, 4015), (2920, 3421), (3110, 3212)]