2018912980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{351727}}^1$

素因数の和:351784

約数の個数: 48

約数和(自身を含む): 4963585536

約数和(自身を除く): 2944672556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 351727, 703454, 1406908, 1758635, 2462089, 3517270, 4924178, 7034540, 9848356, 12310445, 14420807, 24620890, 28841614, 49241780, 57683228, 72104035, 100945649, 144208070, 201891298, 288416140, 403782596, 504728245, 1009456490, 2018912980]

約数ペア:

[(1, 2018912980), (2, 1009456490), (4, 504728245), (5, 403782596), (7, 288416140), (10, 201891298), (14, 144208070), (20, 100945649), (28, 72104035), (35, 57683228), (41, 49241780), (70, 28841614), (82, 24620890), (140, 14420807), (164, 12310445), (205, 9848356), (287, 7034540), (410, 4924178), (574, 3517270), (820, 2462089), (1148, 1758635), (1435, 1406908), (2870, 703454), (5740, 351727)]