393012760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1403617}}^1$

素因数の和:1403635

約数の個数: 32

約数和(自身を含む): 1010604960

約数和(自身を除く): 617592200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1403617, 2807234, 5614468, 7018085, 9825319, 11228936, 14036170, 19650638, 28072340, 39301276, 49126595, 56144680, 78602552, 98253190, 196506380, 393012760]

約数ペア:

[(1, 393012760), (2, 196506380), (4, 98253190), (5, 78602552), (7, 56144680), (8, 49126595), (10, 39301276), (14, 28072340), (20, 19650638), (28, 14036170), (35, 11228936), (40, 9825319), (56, 7018085), (70, 5614468), (140, 2807234), (280, 1403617)]