257762960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35407}}^1$

素因数の和:35440

約数の個数: 80

約数和(自身を含む): 737619456

約数和(自身を除く): 479856496

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 35407, 70814, 141628, 177035, 247849, 283256, 354070, 460291, 495698, 566512, 708140, 920582, 991396, 1239245, 1416280, 1841164, 1982792, 2301455, 2478490, 2832560, 3222037, 3682328, 3965584, 4602910, 4956980, 6444074, 7364656, 9205820, 9913960, 12888148, 16110185, 18411640, 19827920, 25776296, 32220370, 36823280, 51552592, 64440740, 128881480, 257762960]

約数ペア:

[(1, 257762960), (2, 128881480), (4, 64440740), (5, 51552592), (7, 36823280), (8, 32220370), (10, 25776296), (13, 19827920), (14, 18411640), (16, 16110185), (20, 12888148), (26, 9913960), (28, 9205820), (35, 7364656), (40, 6444074), (52, 4956980), (56, 4602910), (65, 3965584), (70, 3682328), (80, 3222037), (91, 2832560), (104, 2478490), (112, 2301455), (130, 1982792), (140, 1841164), (182, 1416280), (208, 1239245), (260, 991396), (280, 920582), (364, 708140), (455, 566512), (520, 495698), (560, 460291), (728, 354070), (910, 283256), (1040, 247849), (1456, 177035), (1820, 141628), (3640, 70814), (7280, 35407)]