189238420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1351703}}^1$

素因数の和:1351719

約数の個数: 24

約数和(自身を含む): 454172544

約数和(自身を除く): 264934124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1351703, 2703406, 5406812, 6758515, 9461921, 13517030, 18923842, 27034060, 37847684, 47309605, 94619210, 189238420]

約数ペア:

[(1, 189238420), (2, 94619210), (4, 47309605), (5, 37847684), (7, 27034060), (10, 18923842), (14, 13517030), (20, 9461921), (28, 6758515), (35, 5406812), (70, 2703406), (140, 1351703)]