1858220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 4807488

約数和(自身を除く): 2949268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1021, 1820, 2042, 4084, 5105, 7147, 10210, 13273, 14294, 20420, 26546, 28588, 35735, 53092, 66365, 71470, 92911, 132730, 142940, 185822, 265460, 371644, 464555, 929110, 1858220]

約数ペア:

[(1, 1858220), (2, 929110), (4, 464555), (5, 371644), (7, 265460), (10, 185822), (13, 142940), (14, 132730), (20, 92911), (26, 71470), (28, 66365), (35, 53092), (52, 35735), (65, 28588), (70, 26546), (91, 20420), (130, 14294), (140, 13273), (182, 10210), (260, 7147), (364, 5105), (455, 4084), (910, 2042), (1021, 1820)]