28939780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1811}}^1$

素因数の和:1884

約数の個数: 48

約数和(自身を含む): 65753856

約数和(自身を除く): 36814076

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 1811, 3196, 3622, 3995, 7244, 7990, 9055, 15980, 18110, 30787, 36220, 61574, 85117, 123148, 153935, 170234, 307870, 340468, 425585, 615740, 851170, 1446989, 1702340, 2893978, 5787956, 7234945, 14469890, 28939780]

約数ペア:

[(1, 28939780), (2, 14469890), (4, 7234945), (5, 5787956), (10, 2893978), (17, 1702340), (20, 1446989), (34, 851170), (47, 615740), (68, 425585), (85, 340468), (94, 307870), (170, 170234), (188, 153935), (235, 123148), (340, 85117), (470, 61574), (799, 36220), (940, 30787), (1598, 18110), (1811, 15980), (3196, 9055), (3622, 7990), (3995, 7244)]