1790146720

素因数分解:

$2^5\times 5^1\times {\mathrm{491}}^1\times {\mathrm{22787}}^1$

素因数の和:23293

約数の個数: 48

約数和(自身を含む): 4238021088

約数和(自身を除く): 2447874368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 491, 982, 1964, 2455, 3928, 4910, 7856, 9820, 15712, 19640, 22787, 39280, 45574, 78560, 91148, 113935, 182296, 227870, 364592, 455740, 729184, 911480, 1822960, 3645920, 11188417, 22376834, 44753668, 55942085, 89507336, 111884170, 179014672, 223768340, 358029344, 447536680, 895073360, 1790146720]

約数ペア:

[(1, 1790146720), (2, 895073360), (4, 447536680), (5, 358029344), (8, 223768340), (10, 179014672), (16, 111884170), (20, 89507336), (32, 55942085), (40, 44753668), (80, 22376834), (160, 11188417), (491, 3645920), (982, 1822960), (1964, 911480), (2455, 729184), (3928, 455740), (4910, 364592), (7856, 227870), (9820, 182296), (15712, 113935), (19640, 91148), (22787, 78560), (39280, 45574)]