280528064620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43425397}}^1$

素因数の和:43425442

約数の個数: 48

約数和(自身を含む): 656592017760

約数和(自身を除く): 376063953140

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 43425397, 86850794, 173701588, 217126985, 434253970, 738231749, 825082543, 868507940, 1476463498, 1650165086, 2952926996, 3300330172, 3691158745, 4125412715, 7382317490, 8250825430, 14026403231, 14764634980, 16501650860, 28052806462, 56105612924, 70132016155, 140264032310, 280528064620]

約数ペア:

[(1, 280528064620), (2, 140264032310), (4, 70132016155), (5, 56105612924), (10, 28052806462), (17, 16501650860), (19, 14764634980), (20, 14026403231), (34, 8250825430), (38, 7382317490), (68, 4125412715), (76, 3691158745), (85, 3300330172), (95, 2952926996), (170, 1650165086), (190, 1476463498), (323, 868507940), (340, 825082543), (380, 738231749), (646, 434253970), (1292, 217126985), (1615, 173701588), (3230, 86850794), (6460, 43425397)]