1969540

素因数分解:

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

素因数の和:172

約数の個数: 48

約数和(自身を含む): 4475520

約数和(自身を除く): 2505980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 73, 76, 95, 142, 146, 190, 284, 292, 355, 365, 380, 710, 730, 1349, 1387, 1420, 1460, 2698, 2774, 5183, 5396, 5548, 6745, 6935, 10366, 13490, 13870, 20732, 25915, 26980, 27740, 51830, 98477, 103660, 196954, 393908, 492385, 984770, 1969540]

約数ペア:

[(1, 1969540), (2, 984770), (4, 492385), (5, 393908), (10, 196954), (19, 103660), (20, 98477), (38, 51830), (71, 27740), (73, 26980), (76, 25915), (95, 20732), (142, 13870), (146, 13490), (190, 10366), (284, 6935), (292, 6745), (355, 5548), (365, 5396), (380, 5183), (710, 2774), (730, 2698), (1349, 1460), (1387, 1420)]