1658020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{911}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 4290048

約数和(自身を除く): 2632028

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 911, 1820, 1822, 3644, 4555, 6377, 9110, 11843, 12754, 18220, 23686, 25508, 31885, 47372, 59215, 63770, 82901, 118430, 127540, 165802, 236860, 331604, 414505, 829010, 1658020]

約数ペア:

[(1, 1658020), (2, 829010), (4, 414505), (5, 331604), (7, 236860), (10, 165802), (13, 127540), (14, 118430), (20, 82901), (26, 63770), (28, 59215), (35, 47372), (52, 31885), (65, 25508), (70, 23686), (91, 18220), (130, 12754), (140, 11843), (182, 9110), (260, 6377), (364, 4555), (455, 3644), (910, 1822), (911, 1820)]