312760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1117}}^1$

素因数の和:1135

約数の個数: 32

約数和(自身を含む): 804960

約数和(自身を除く): 492200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1117, 2234, 4468, 5585, 7819, 8936, 11170, 15638, 22340, 31276, 39095, 44680, 62552, 78190, 156380, 312760]

約数ペア:

[(1, 312760), (2, 156380), (4, 78190), (5, 62552), (7, 44680), (8, 39095), (10, 31276), (14, 22340), (20, 15638), (28, 11170), (35, 8936), (40, 7819), (56, 5585), (70, 4468), (140, 2234), (280, 1117)]