87669820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89459}}^1$

素因数の和:89482

約数の個数: 36

約数和(自身を含む): 214167240

約数和(自身を除く): 126497420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 89459, 178918, 357836, 447295, 626213, 894590, 1252426, 1789180, 2504852, 3131065, 4383491, 6262130, 8766982, 12524260, 17533964, 21917455, 43834910, 87669820]

約数ペア:

[(1, 87669820), (2, 43834910), (4, 21917455), (5, 17533964), (7, 12524260), (10, 8766982), (14, 6262130), (20, 4383491), (28, 3131065), (35, 2504852), (49, 1789180), (70, 1252426), (98, 894590), (140, 626213), (196, 447295), (245, 357836), (490, 178918), (980, 89459)]