3939080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 9590400

約数和(自身を除く): 5651320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 73, 76, 95, 142, 146, 152, 190, 284, 292, 355, 365, 380, 568, 584, 710, 730, 760, 1349, 1387, 1420, 1460, 2698, 2774, 2840, 2920, 5183, 5396, 5548, 6745, 6935, 10366, 10792, 11096, 13490, 13870, 20732, 25915, 26980, 27740, 41464, 51830, 53960, 55480, 98477, 103660, 196954, 207320, 393908, 492385, 787816, 984770, 1969540, 3939080]

約数ペア:

[(1, 3939080), (2, 1969540), (4, 984770), (5, 787816), (8, 492385), (10, 393908), (19, 207320), (20, 196954), (38, 103660), (40, 98477), (71, 55480), (73, 53960), (76, 51830), (95, 41464), (142, 27740), (146, 26980), (152, 25915), (190, 20732), (284, 13870), (292, 13490), (355, 11096), (365, 10792), (380, 10366), (568, 6935), (584, 6745), (710, 5548), (730, 5396), (760, 5183), (1349, 2920), (1387, 2840), (1420, 2774), (1460, 2698)]