1908340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 4701312

約数和(自身を除く): 2792972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 317, 430, 602, 634, 860, 1204, 1268, 1505, 1585, 2219, 3010, 3170, 4438, 6020, 6340, 8876, 11095, 13631, 22190, 27262, 44380, 54524, 68155, 95417, 136310, 190834, 272620, 381668, 477085, 954170, 1908340]

約数ペア:

[(1, 1908340), (2, 954170), (4, 477085), (5, 381668), (7, 272620), (10, 190834), (14, 136310), (20, 95417), (28, 68155), (35, 54524), (43, 44380), (70, 27262), (86, 22190), (140, 13631), (172, 11095), (215, 8876), (301, 6340), (317, 6020), (430, 4438), (602, 3170), (634, 3010), (860, 2219), (1204, 1585), (1268, 1505)]