4997960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 12640320

約数和(自身を除く): 7642360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 307, 370, 407, 440, 614, 740, 814, 1228, 1480, 1535, 1628, 2035, 2456, 3070, 3256, 3377, 4070, 6140, 6754, 8140, 11359, 12280, 13508, 16280, 16885, 22718, 27016, 33770, 45436, 56795, 67540, 90872, 113590, 124949, 135080, 227180, 249898, 454360, 499796, 624745, 999592, 1249490, 2498980, 4997960]

約数ペア:

[(1, 4997960), (2, 2498980), (4, 1249490), (5, 999592), (8, 624745), (10, 499796), (11, 454360), (20, 249898), (22, 227180), (37, 135080), (40, 124949), (44, 113590), (55, 90872), (74, 67540), (88, 56795), (110, 45436), (148, 33770), (185, 27016), (220, 22718), (296, 16885), (307, 16280), (370, 13508), (407, 12280), (440, 11359), (614, 8140), (740, 6754), (814, 6140), (1228, 4070), (1480, 3377), (1535, 3256), (1628, 3070), (2035, 2456)]