1297904060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{72671}}^1$

素因数の和:72746

約数の個数: 48

約数和(自身を含む): 2930135040

約数和(自身を除く): 1632230980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4465, 8930, 17860, 72671, 145342, 290684, 363355, 726710, 1380749, 1453420, 2761498, 3415537, 5522996, 6831074, 6903745, 13662148, 13807490, 17077685, 27614980, 34155370, 64895203, 68310740, 129790406, 259580812, 324476015, 648952030, 1297904060]

約数ペア:

[(1, 1297904060), (2, 648952030), (4, 324476015), (5, 259580812), (10, 129790406), (19, 68310740), (20, 64895203), (38, 34155370), (47, 27614980), (76, 17077685), (94, 13807490), (95, 13662148), (188, 6903745), (190, 6831074), (235, 5522996), (380, 3415537), (470, 2761498), (893, 1453420), (940, 1380749), (1786, 726710), (3572, 363355), (4465, 290684), (8930, 145342), (17860, 72671)]