1659140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1693}}^1$

素因数の和:1716

約数の個数: 36

約数和(自身を含む): 4055436

約数和(自身を除く): 2396296

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1693, 3386, 6772, 8465, 11851, 16930, 23702, 33860, 47404, 59255, 82957, 118510, 165914, 237020, 331828, 414785, 829570, 1659140]

約数ペア:

[(1, 1659140), (2, 829570), (4, 414785), (5, 331828), (7, 237020), (10, 165914), (14, 118510), (20, 82957), (28, 59255), (35, 47404), (49, 33860), (70, 23702), (98, 16930), (140, 11851), (196, 8465), (245, 6772), (490, 3386), (980, 1693)]