1381400

素因数分解:

$2^3\times 5^2\times {\mathrm{6907}}^1$

素因数の和:6923

約数の個数: 24

約数和(自身を含む): 3212220

約数和(自身を除く): 1830820

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 6907, 13814, 27628, 34535, 55256, 69070, 138140, 172675, 276280, 345350, 690700, 1381400]

約数ペア:

[(1, 1381400), (2, 690700), (4, 345350), (5, 276280), (8, 172675), (10, 138140), (20, 69070), (25, 55256), (40, 34535), (50, 27628), (100, 13814), (200, 6907)]