230247220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1644623}}^1$

素因数の和:1644639

約数の個数: 24

約数和(自身を含む): 552593664

約数和(自身を除く): 322346444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1644623, 3289246, 6578492, 8223115, 11512361, 16446230, 23024722, 32892460, 46049444, 57561805, 115123610, 230247220]

約数ペア:

[(1, 230247220), (2, 115123610), (4, 57561805), (5, 46049444), (7, 32892460), (10, 23024722), (14, 16446230), (20, 11512361), (28, 8223115), (35, 6578492), (70, 3289246), (140, 1644623)]