199645120

素因数分解:

$2^6\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1489}}^1$

素因数の和:1925

約数の個数: 56

約数和(自身を含む): 476859600

約数和(自身を除く): 277214480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 419, 838, 1489, 1676, 2095, 2978, 3352, 4190, 5956, 6704, 7445, 8380, 11912, 13408, 14890, 16760, 23824, 26816, 29780, 33520, 47648, 59560, 67040, 95296, 119120, 134080, 238240, 476480, 623891, 1247782, 2495564, 3119455, 4991128, 6238910, 9982256, 12477820, 19964512, 24955640, 39929024, 49911280, 99822560, 199645120]

約数ペア:

[(1, 199645120), (2, 99822560), (4, 49911280), (5, 39929024), (8, 24955640), (10, 19964512), (16, 12477820), (20, 9982256), (32, 6238910), (40, 4991128), (64, 3119455), (80, 2495564), (160, 1247782), (320, 623891), (419, 476480), (838, 238240), (1489, 134080), (1676, 119120), (2095, 95296), (2978, 67040), (3352, 59560), (4190, 47648), (5956, 33520), (6704, 29780), (7445, 26816), (8380, 23824), (11912, 16760), (13408, 14890)]