28195140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{469919}}^1$

素因数の和:469931

約数の個数: 24

約数和(自身を含む): 78946560

約数和(自身を除く): 50751420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 469919, 939838, 1409757, 1879676, 2349595, 2819514, 4699190, 5639028, 7048785, 9398380, 14097570, 28195140]

約数ペア:

[(1, 28195140), (2, 14097570), (3, 9398380), (4, 7048785), (5, 5639028), (6, 4699190), (10, 2819514), (12, 2349595), (15, 1879676), (20, 1409757), (30, 939838), (60, 469919)]