30021740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4987}}^1$

素因数の和:5046

約数の個数: 48

約数和(自身を含む): 73742592

約数和(自身を除く): 43720852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 4987, 6020, 9974, 19948, 24935, 34909, 49870, 69818, 99740, 139636, 174545, 214441, 349090, 428882, 698180, 857764, 1072205, 1501087, 2144410, 3002174, 4288820, 6004348, 7505435, 15010870, 30021740]

約数ペア:

[(1, 30021740), (2, 15010870), (4, 7505435), (5, 6004348), (7, 4288820), (10, 3002174), (14, 2144410), (20, 1501087), (28, 1072205), (35, 857764), (43, 698180), (70, 428882), (86, 349090), (140, 214441), (172, 174545), (215, 139636), (301, 99740), (430, 69818), (602, 49870), (860, 34909), (1204, 24935), (1505, 19948), (3010, 9974), (4987, 6020)]