64442420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1571}}^1$

素因数の和:1880

約数の個数: 48

約数和(自身を含む): 155288448

約数和(自身を除く): 90846028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 293, 586, 1172, 1465, 1571, 2051, 2930, 3142, 4102, 5860, 6284, 7855, 8204, 10255, 10997, 15710, 20510, 21994, 31420, 41020, 43988, 54985, 109970, 219940, 460303, 920606, 1841212, 2301515, 3222121, 4603030, 6444242, 9206060, 12888484, 16110605, 32221210, 64442420]

約数ペア:

[(1, 64442420), (2, 32221210), (4, 16110605), (5, 12888484), (7, 9206060), (10, 6444242), (14, 4603030), (20, 3222121), (28, 2301515), (35, 1841212), (70, 920606), (140, 460303), (293, 219940), (586, 109970), (1172, 54985), (1465, 43988), (1571, 41020), (2051, 31420), (2930, 21994), (3142, 20510), (4102, 15710), (5860, 10997), (6284, 10255), (7855, 8204)]