318440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 756000

約数和(自身を除く): 437560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 419, 760, 838, 1676, 2095, 3352, 4190, 7961, 8380, 15922, 16760, 31844, 39805, 63688, 79610, 159220, 318440]

約数ペア:

[(1, 318440), (2, 159220), (4, 79610), (5, 63688), (8, 39805), (10, 31844), (19, 16760), (20, 15922), (38, 8380), (40, 7961), (76, 4190), (95, 3352), (152, 2095), (190, 1676), (380, 838), (419, 760)]