1854174980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{323027}}^1$

素因数の和:323084

約数の個数: 48

約数和(自身を含む): 4558571136

約数和(自身を除く): 2704396156

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, 323027, 646054, 1292108, 1615135, 2261189, 3230270, 4522378, 6460540, 9044756, 11305945, 13244107, 22611890, 26488214, 45223780, 52976428, 66220535, 92708749, 132441070, 185417498, 264882140, 370834996, 463543745, 927087490, 1854174980]

約数ペア:

[(1, 1854174980), (2, 927087490), (4, 463543745), (5, 370834996), (7, 264882140), (10, 185417498), (14, 132441070), (20, 92708749), (28, 66220535), (35, 52976428), (41, 45223780), (70, 26488214), (82, 22611890), (140, 13244107), (164, 11305945), (205, 9044756), (287, 6460540), (410, 4522378), (574, 3230270), (820, 2261189), (1148, 1615135), (1435, 1292108), (2870, 646054), (5740, 323027)]