28398200

素因数分解:

$2^3\times 5^2\times {\mathrm{141991}}^1$

素因数の和:142007

約数の個数: 24

約数和(自身を含む): 66026280

約数和(自身を除く): 37628080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 141991, 283982, 567964, 709955, 1135928, 1419910, 2839820, 3549775, 5679640, 7099550, 14199100, 28398200]

約数ペア:

[(1, 28398200), (2, 14199100), (4, 7099550), (5, 5679640), (8, 3549775), (10, 2839820), (20, 1419910), (25, 1135928), (40, 709955), (50, 567964), (100, 283982), (200, 141991)]