571562020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{2137}}^1$

素因数の和:2500

約数の個数: 48

約数和(自身を含む): 1232719488

約数和(自身を除く): 661157468

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 311, 430, 622, 860, 1244, 1555, 2137, 3110, 4274, 6220, 8548, 10685, 13373, 21370, 26746, 42740, 53492, 66865, 91891, 133730, 183782, 267460, 367564, 459455, 664607, 918910, 1329214, 1837820, 2658428, 3323035, 6646070, 13292140, 28578101, 57156202, 114312404, 142890505, 285781010, 571562020]

約数ペア:

[(1, 571562020), (2, 285781010), (4, 142890505), (5, 114312404), (10, 57156202), (20, 28578101), (43, 13292140), (86, 6646070), (172, 3323035), (215, 2658428), (311, 1837820), (430, 1329214), (622, 918910), (860, 664607), (1244, 459455), (1555, 367564), (2137, 267460), (3110, 183782), (4274, 133730), (6220, 91891), (8548, 66865), (10685, 53492), (13373, 42740), (21370, 26746)]