7774420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 17640000

約数和(自身を除く): 9865580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 499, 779, 820, 998, 1558, 1996, 2495, 3116, 3895, 4990, 7790, 9481, 9980, 15580, 18962, 20459, 37924, 40918, 47405, 81836, 94810, 102295, 189620, 204590, 388721, 409180, 777442, 1554884, 1943605, 3887210, 7774420]

約数ペア:

[(1, 7774420), (2, 3887210), (4, 1943605), (5, 1554884), (10, 777442), (19, 409180), (20, 388721), (38, 204590), (41, 189620), (76, 102295), (82, 94810), (95, 81836), (164, 47405), (190, 40918), (205, 37924), (380, 20459), (410, 18962), (499, 15580), (779, 9980), (820, 9481), (998, 7790), (1558, 4990), (1996, 3895), (2495, 3116)]