310840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 738000

約数和(自身を除く): 427160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 409, 760, 818, 1636, 2045, 3272, 4090, 7771, 8180, 15542, 16360, 31084, 38855, 62168, 77710, 155420, 310840]

約数ペア:

[(1, 310840), (2, 155420), (4, 77710), (5, 62168), (8, 38855), (10, 31084), (19, 16360), (20, 15542), (38, 8180), (40, 7771), (76, 4090), (95, 3272), (152, 2045), (190, 1636), (380, 818), (409, 760)]