1329020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{863}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 3483648

約数和(自身を除く): 2154628

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 863, 1540, 1726, 3452, 4315, 6041, 8630, 9493, 12082, 17260, 18986, 24164, 30205, 37972, 47465, 60410, 66451, 94930, 120820, 132902, 189860, 265804, 332255, 664510, 1329020]

約数ペア:

[(1, 1329020), (2, 664510), (4, 332255), (5, 265804), (7, 189860), (10, 132902), (11, 120820), (14, 94930), (20, 66451), (22, 60410), (28, 47465), (35, 37972), (44, 30205), (55, 24164), (70, 18986), (77, 17260), (110, 12082), (140, 9493), (154, 8630), (220, 6041), (308, 4315), (385, 3452), (770, 1726), (863, 1540)]