203499640

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{17977}}^1$

素因数の和:18271

約数の個数: 32

約数和(自身を含む): 459517680

約数和(自身を除く): 256018040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 17977, 35954, 71908, 89885, 143816, 179770, 359540, 719080, 5087491, 10174982, 20349964, 25437455, 40699928, 50874910, 101749820, 203499640]

約数ペア:

[(1, 203499640), (2, 101749820), (4, 50874910), (5, 40699928), (8, 25437455), (10, 20349964), (20, 10174982), (40, 5087491), (283, 719080), (566, 359540), (1132, 179770), (1415, 143816), (2264, 89885), (2830, 71908), (5660, 35954), (11320, 17977)]