29379980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{209857}}^1$

素因数の和:209873

約数の個数: 24

約数和(自身を含む): 70512288

約数和(自身を除く): 41132308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 209857, 419714, 839428, 1049285, 1468999, 2098570, 2937998, 4197140, 5875996, 7344995, 14689990, 29379980]

約数ペア:

[(1, 29379980), (2, 14689990), (4, 7344995), (5, 5875996), (7, 4197140), (10, 2937998), (14, 2098570), (20, 1468999), (28, 1049285), (35, 839428), (70, 419714), (140, 209857)]