858711280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{219059}}^1$

素因数の和:219086

約数の個数: 60

約数和(自身を含む): 2322474120

約数和(自身を除く): 1463762840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 219059, 438118, 876236, 1095295, 1533413, 1752472, 2190590, 3066826, 3504944, 4381180, 6133652, 7667065, 8762360, 10733891, 12267304, 15334130, 17524720, 21467782, 24534608, 30668260, 42935564, 53669455, 61336520, 85871128, 107338910, 122673040, 171742256, 214677820, 429355640, 858711280]

約数ペア:

[(1, 858711280), (2, 429355640), (4, 214677820), (5, 171742256), (7, 122673040), (8, 107338910), (10, 85871128), (14, 61336520), (16, 53669455), (20, 42935564), (28, 30668260), (35, 24534608), (40, 21467782), (49, 17524720), (56, 15334130), (70, 12267304), (80, 10733891), (98, 8762360), (112, 7667065), (140, 6133652), (196, 4381180), (245, 3504944), (280, 3066826), (392, 2190590), (490, 1752472), (560, 1533413), (784, 1095295), (980, 876236), (1960, 438118), (3920, 219059)]