819140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{5851}}^1$

素因数の和:5867

約数の個数: 24

約数和(自身を含む): 1966272

約数和(自身を除く): 1147132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5851, 11702, 23404, 29255, 40957, 58510, 81914, 117020, 163828, 204785, 409570, 819140]

約数ペア:

[(1, 819140), (2, 409570), (4, 204785), (5, 163828), (7, 117020), (10, 81914), (14, 58510), (20, 40957), (28, 29255), (35, 23404), (70, 11702), (140, 5851)]