2018850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 5139552

約数和(自身を除く): 3120702

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 313, 430, 626, 645, 939, 1075, 1290, 1565, 1878, 2150, 3130, 3225, 4695, 6450, 7825, 9390, 13459, 15650, 23475, 26918, 40377, 46950, 67295, 80754, 134590, 201885, 336475, 403770, 672950, 1009425, 2018850]

約数ペア:

[(1, 2018850), (2, 1009425), (3, 672950), (5, 403770), (6, 336475), (10, 201885), (15, 134590), (25, 80754), (30, 67295), (43, 46950), (50, 40377), (75, 26918), (86, 23475), (129, 15650), (150, 13459), (215, 9390), (258, 7825), (313, 6450), (430, 4695), (626, 3225), (645, 3130), (939, 2150), (1075, 1878), (1290, 1565)]