71739860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{457}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 155119104

約数和(自身を除く): 83379244

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 167, 188, 235, 334, 457, 470, 668, 835, 914, 940, 1670, 1828, 2285, 3340, 4570, 7849, 9140, 15698, 21479, 31396, 39245, 42958, 76319, 78490, 85916, 107395, 152638, 156980, 214790, 305276, 381595, 429580, 763190, 1526380, 3586993, 7173986, 14347972, 17934965, 35869930, 71739860]

約数ペア:

[(1, 71739860), (2, 35869930), (4, 17934965), (5, 14347972), (10, 7173986), (20, 3586993), (47, 1526380), (94, 763190), (167, 429580), (188, 381595), (235, 305276), (334, 214790), (457, 156980), (470, 152638), (668, 107395), (835, 85916), (914, 78490), (940, 76319), (1670, 42958), (1828, 39245), (2285, 31396), (3340, 21479), (4570, 15698), (7849, 9140)]