89768420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{641203}}^1$

素因数の和:641219

約数の個数: 24

約数和(自身を含む): 215444544

約数和(自身を除く): 125676124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 641203, 1282406, 2564812, 3206015, 4488421, 6412030, 8976842, 12824060, 17953684, 22442105, 44884210, 89768420]

約数ペア:

[(1, 89768420), (2, 44884210), (4, 22442105), (5, 17953684), (7, 12824060), (10, 8976842), (14, 6412030), (20, 4488421), (28, 3206015), (35, 2564812), (70, 1282406), (140, 641203)]