4947220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 11208960

約数和(自身を除く): 6261740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 277, 380, 470, 554, 893, 940, 1108, 1385, 1786, 2770, 3572, 4465, 5263, 5540, 8930, 10526, 13019, 17860, 21052, 26038, 26315, 52076, 52630, 65095, 105260, 130190, 247361, 260380, 494722, 989444, 1236805, 2473610, 4947220]

約数ペア:

[(1, 4947220), (2, 2473610), (4, 1236805), (5, 989444), (10, 494722), (19, 260380), (20, 247361), (38, 130190), (47, 105260), (76, 65095), (94, 52630), (95, 52076), (188, 26315), (190, 26038), (235, 21052), (277, 17860), (380, 13019), (470, 10526), (554, 8930), (893, 5540), (940, 5263), (1108, 4465), (1385, 3572), (1786, 2770)]