1288420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9203}}^1$

素因数の和:9219

約数の個数: 24

約数和(自身を含む): 3092544

約数和(自身を除く): 1804124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9203, 18406, 36812, 46015, 64421, 92030, 128842, 184060, 257684, 322105, 644210, 1288420]

約数ペア:

[(1, 1288420), (2, 644210), (4, 322105), (5, 257684), (7, 184060), (10, 128842), (14, 92030), (20, 64421), (28, 46015), (35, 36812), (70, 18406), (140, 9203)]