4869890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^3\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 32

約数和(自身を含む): 9383040

約数和(自身を除く): 4513150

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 361, 710, 722, 1349, 1805, 2698, 3610, 6745, 6859, 13490, 13718, 25631, 34295, 51262, 68590, 128155, 256310, 486989, 973978, 2434945, 4869890]

約数ペア:

[(1, 4869890), (2, 2434945), (5, 973978), (10, 486989), (19, 256310), (38, 128155), (71, 68590), (95, 51262), (142, 34295), (190, 25631), (355, 13718), (361, 13490), (710, 6859), (722, 6745), (1349, 3610), (1805, 2698)]