6442900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{3391}}^1$

素因数の和:3424

約数の個数: 36

約数和(自身を含む): 14721280

約数和(自身を除く): 8278380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 3391, 6782, 13564, 16955, 33910, 64429, 67820, 84775, 128858, 169550, 257716, 322145, 339100, 644290, 1288580, 1610725, 3221450, 6442900]

約数ペア:

[(1, 6442900), (2, 3221450), (4, 1610725), (5, 1288580), (10, 644290), (19, 339100), (20, 322145), (25, 257716), (38, 169550), (50, 128858), (76, 84775), (95, 67820), (100, 64429), (190, 33910), (380, 16955), (475, 13564), (950, 6782), (1900, 3391)]