207319880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1103}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 483287040

約数和(自身を除く): 275967160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 127, 148, 185, 254, 296, 370, 508, 635, 740, 1016, 1103, 1270, 1480, 2206, 2540, 4412, 4699, 5080, 5515, 8824, 9398, 11030, 18796, 22060, 23495, 37592, 40811, 44120, 46990, 81622, 93980, 140081, 163244, 187960, 204055, 280162, 326488, 408110, 560324, 700405, 816220, 1120648, 1400810, 1632440, 2801620, 5182997, 5603240, 10365994, 20731988, 25914985, 41463976, 51829970, 103659940, 207319880]

約数ペア:

[(1, 207319880), (2, 103659940), (4, 51829970), (5, 41463976), (8, 25914985), (10, 20731988), (20, 10365994), (37, 5603240), (40, 5182997), (74, 2801620), (127, 1632440), (148, 1400810), (185, 1120648), (254, 816220), (296, 700405), (370, 560324), (508, 408110), (635, 326488), (740, 280162), (1016, 204055), (1103, 187960), (1270, 163244), (1480, 140081), (2206, 93980), (2540, 81622), (4412, 46990), (4699, 44120), (5080, 40811), (5515, 37592), (8824, 23495), (9398, 22060), (11030, 18796)]