29519980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{210857}}^1$

素因数の和:210873

約数の個数: 24

約数和(自身を含む): 70848288

約数和(自身を除く): 41328308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 210857, 421714, 843428, 1054285, 1475999, 2108570, 2951998, 4217140, 5903996, 7379995, 14759990, 29519980]

約数ペア:

[(1, 29519980), (2, 14759990), (4, 7379995), (5, 5903996), (7, 4217140), (10, 2951998), (14, 2108570), (20, 1475999), (28, 1054285), (35, 843428), (70, 421714), (140, 210857)]