4172980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 10273536

約数和(自身を除く): 6100556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 727, 820, 1148, 1435, 1454, 2870, 2908, 3635, 5089, 5740, 7270, 10178, 14540, 20356, 25445, 29807, 50890, 59614, 101780, 119228, 149035, 208649, 298070, 417298, 596140, 834596, 1043245, 2086490, 4172980]

約数ペア:

[(1, 4172980), (2, 2086490), (4, 1043245), (5, 834596), (7, 596140), (10, 417298), (14, 298070), (20, 208649), (28, 149035), (35, 119228), (41, 101780), (70, 59614), (82, 50890), (140, 29807), (164, 25445), (205, 20356), (287, 14540), (410, 10178), (574, 7270), (727, 5740), (820, 5089), (1148, 3635), (1435, 2908), (1454, 2870)]