315263780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{25799}}^1$

素因数の和:25868

約数の個数: 48

約数和(自身を含む): 728179200

約数和(自身を除く): 412915420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 25799, 51598, 103196, 128995, 257990, 335387, 515980, 670774, 1212553, 1341548, 1676935, 2425106, 3353870, 4850212, 6062765, 6707740, 12125530, 15763189, 24251060, 31526378, 63052756, 78815945, 157631890, 315263780]

約数ペア:

[(1, 315263780), (2, 157631890), (4, 78815945), (5, 63052756), (10, 31526378), (13, 24251060), (20, 15763189), (26, 12125530), (47, 6707740), (52, 6062765), (65, 4850212), (94, 3353870), (130, 2425106), (188, 1676935), (235, 1341548), (260, 1212553), (470, 670774), (611, 515980), (940, 335387), (1222, 257990), (2444, 128995), (3055, 103196), (6110, 51598), (12220, 25799)]