139538420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{996703}}^1$

素因数の和:996719

約数の個数: 24

約数和(自身を含む): 334892544

約数和(自身を除く): 195354124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 996703, 1993406, 3986812, 4983515, 6976921, 9967030, 13953842, 19934060, 27907684, 34884605, 69769210, 139538420]

約数ペア:

[(1, 139538420), (2, 69769210), (4, 34884605), (5, 27907684), (7, 19934060), (10, 13953842), (14, 9967030), (20, 6976921), (28, 4983515), (35, 3986812), (70, 1993406), (140, 996703)]