315031220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2250223}}^1$

素因数の和:2250239

約数の個数: 24

約数和(自身を含む): 756075264

約数和(自身を除く): 441044044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2250223, 4500446, 9000892, 11251115, 15751561, 22502230, 31503122, 45004460, 63006244, 78757805, 157515610, 315031220]

約数ペア:

[(1, 315031220), (2, 157515610), (4, 78757805), (5, 63006244), (7, 45004460), (10, 31503122), (14, 22502230), (20, 15751561), (28, 11251115), (35, 9000892), (70, 4500446), (140, 2250223)]