2849980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20357}}^1$

素因数の和:20373

約数の個数: 24

約数和(自身を含む): 6840288

約数和(自身を除く): 3990308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20357, 40714, 81428, 101785, 142499, 203570, 284998, 407140, 569996, 712495, 1424990, 2849980]

約数ペア:

[(1, 2849980), (2, 1424990), (4, 712495), (5, 569996), (7, 407140), (10, 284998), (14, 203570), (20, 142499), (28, 101785), (35, 81428), (70, 40714), (140, 20357)]