159220

素因数分解:

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

素因数の和:447

約数の個数: 24

約数和(自身を含む): 352800

約数和(自身を除く): 193580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 419, 838, 1676, 2095, 4190, 7961, 8380, 15922, 31844, 39805, 79610, 159220]

約数ペア:

[(1, 159220), (2, 79610), (4, 39805), (5, 31844), (10, 15922), (19, 8380), (20, 7961), (38, 4190), (76, 2095), (95, 1676), (190, 838), (380, 419)]