78335740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{559541}}^1$

素因数の和:559557

約数の個数: 24

約数和(自身を含む): 188006112

約数和(自身を除く): 109670372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 559541, 1119082, 2238164, 2797705, 3916787, 5595410, 7833574, 11190820, 15667148, 19583935, 39167870, 78335740]

約数ペア:

[(1, 78335740), (2, 39167870), (4, 19583935), (5, 15667148), (7, 11190820), (10, 7833574), (14, 5595410), (20, 3916787), (28, 2797705), (35, 2238164), (70, 1119082), (140, 559541)]