2789042980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{80191}}^1$

素因数の和:80284

約数の個数: 48

約数和(自身を含む): 6143348736

約数和(自身を除く): 3354305756

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 235, 370, 470, 740, 940, 1739, 3478, 6956, 8695, 17390, 34780, 80191, 160382, 320764, 400955, 801910, 1603820, 2967067, 3768977, 5934134, 7537954, 11868268, 14835335, 15075908, 18844885, 29670670, 37689770, 59341340, 75379540, 139452149, 278904298, 557808596, 697260745, 1394521490, 2789042980]

約数ペア:

[(1, 2789042980), (2, 1394521490), (4, 697260745), (5, 557808596), (10, 278904298), (20, 139452149), (37, 75379540), (47, 59341340), (74, 37689770), (94, 29670670), (148, 18844885), (185, 15075908), (188, 14835335), (235, 11868268), (370, 7537954), (470, 5934134), (740, 3768977), (940, 2967067), (1739, 1603820), (3478, 801910), (6956, 400955), (8695, 320764), (17390, 160382), (34780, 80191)]