7842340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 18406080

約数和(自身を除く): 10563740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 829, 860, 946, 1658, 1892, 2365, 3316, 4145, 4730, 8290, 9119, 9460, 16580, 18238, 35647, 36476, 45595, 71294, 91190, 142588, 178235, 182380, 356470, 392117, 712940, 784234, 1568468, 1960585, 3921170, 7842340]

約数ペア:

[(1, 7842340), (2, 3921170), (4, 1960585), (5, 1568468), (10, 784234), (11, 712940), (20, 392117), (22, 356470), (43, 182380), (44, 178235), (55, 142588), (86, 91190), (110, 71294), (172, 45595), (215, 36476), (220, 35647), (430, 18238), (473, 16580), (829, 9460), (860, 9119), (946, 8290), (1658, 4730), (1892, 4145), (2365, 3316)]