211990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:96

約数の個数: 32

約数和(自身を含む): 427680

約数和(自身を除く): 215690

約数列:

[1, 2, 5, 10, 17, 29, 34, 43, 58, 85, 86, 145, 170, 215, 290, 430, 493, 731, 986, 1247, 1462, 2465, 2494, 3655, 4930, 6235, 7310, 12470, 21199, 42398, 105995, 211990]

約数ペア:

[(1, 211990), (2, 105995), (5, 42398), (10, 21199), (17, 12470), (29, 7310), (34, 6235), (43, 4930), (58, 3655), (85, 2494), (86, 2465), (145, 1462), (170, 1247), (215, 986), (290, 731), (430, 493)]