85688120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{306029}}^1$

素因数の和:306047

約数の個数: 32

約数和(自身を含む): 220341600

約数和(自身を除く): 134653480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 306029, 612058, 1224116, 1530145, 2142203, 2448232, 3060290, 4284406, 6120580, 8568812, 10711015, 12241160, 17137624, 21422030, 42844060, 85688120]

約数ペア:

[(1, 85688120), (2, 42844060), (4, 21422030), (5, 17137624), (7, 12241160), (8, 10711015), (10, 8568812), (14, 6120580), (20, 4284406), (28, 3060290), (35, 2448232), (40, 2142203), (56, 1530145), (70, 1224116), (140, 612058), (280, 306029)]