4279880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 10730880

約数和(自身を除く): 6451000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 137, 142, 220, 274, 284, 355, 440, 548, 568, 685, 710, 781, 1096, 1370, 1420, 1507, 1562, 2740, 2840, 3014, 3124, 3905, 5480, 6028, 6248, 7535, 7810, 9727, 12056, 15070, 15620, 19454, 30140, 31240, 38908, 48635, 60280, 77816, 97270, 106997, 194540, 213994, 389080, 427988, 534985, 855976, 1069970, 2139940, 4279880]

約数ペア:

[(1, 4279880), (2, 2139940), (4, 1069970), (5, 855976), (8, 534985), (10, 427988), (11, 389080), (20, 213994), (22, 194540), (40, 106997), (44, 97270), (55, 77816), (71, 60280), (88, 48635), (110, 38908), (137, 31240), (142, 30140), (220, 19454), (274, 15620), (284, 15070), (355, 12056), (440, 9727), (548, 7810), (568, 7535), (685, 6248), (710, 6028), (781, 5480), (1096, 3905), (1370, 3124), (1420, 3014), (1507, 2840), (1562, 2740)]