198840640

素因数分解:

$2^6\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1483}}^1$

素因数の和:1919

約数の個数: 56

約数和(自身を含む): 474939360

約数和(自身を除く): 276098720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 419, 838, 1483, 1676, 2095, 2966, 3352, 4190, 5932, 6704, 7415, 8380, 11864, 13408, 14830, 16760, 23728, 26816, 29660, 33520, 47456, 59320, 67040, 94912, 118640, 134080, 237280, 474560, 621377, 1242754, 2485508, 3106885, 4971016, 6213770, 9942032, 12427540, 19884064, 24855080, 39768128, 49710160, 99420320, 198840640]

約数ペア:

[(1, 198840640), (2, 99420320), (4, 49710160), (5, 39768128), (8, 24855080), (10, 19884064), (16, 12427540), (20, 9942032), (32, 6213770), (40, 4971016), (64, 3106885), (80, 2485508), (160, 1242754), (320, 621377), (419, 474560), (838, 237280), (1483, 134080), (1676, 118640), (2095, 94912), (2966, 67040), (3352, 59320), (4190, 47456), (5932, 33520), (6704, 29660), (7415, 26816), (8380, 23728), (11864, 16760), (13408, 14830)]