1811020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 4128768

約数和(自身を除く): 2317748

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 127, 155, 230, 254, 310, 460, 508, 620, 635, 713, 1270, 1426, 2540, 2852, 2921, 3565, 3937, 5842, 7130, 7874, 11684, 14260, 14605, 15748, 19685, 29210, 39370, 58420, 78740, 90551, 181102, 362204, 452755, 905510, 1811020]

約数ペア:

[(1, 1811020), (2, 905510), (4, 452755), (5, 362204), (10, 181102), (20, 90551), (23, 78740), (31, 58420), (46, 39370), (62, 29210), (92, 19685), (115, 15748), (124, 14605), (127, 14260), (155, 11684), (230, 7874), (254, 7130), (310, 5842), (460, 3937), (508, 3565), (620, 2921), (635, 2852), (713, 2540), (1270, 1426)]