289969280

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19699}}^1$

素因数の和:19741

約数の個数: 64

約数和(自身を含む): 723384000

約数和(自身を除く): 433414720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 14720, 19699, 39398, 78796, 98495, 157592, 196990, 315184, 393980, 453077, 630368, 787960, 906154, 1260736, 1575920, 1812308, 2265385, 2521472, 3151840, 3624616, 4530770, 6303680, 7249232, 9061540, 12607360, 14498464, 18123080, 28996928, 36246160, 57993856, 72492320, 144984640, 289969280]

約数ペア:

[(1, 289969280), (2, 144984640), (4, 72492320), (5, 57993856), (8, 36246160), (10, 28996928), (16, 18123080), (20, 14498464), (23, 12607360), (32, 9061540), (40, 7249232), (46, 6303680), (64, 4530770), (80, 3624616), (92, 3151840), (115, 2521472), (128, 2265385), (160, 1812308), (184, 1575920), (230, 1260736), (320, 906154), (368, 787960), (460, 630368), (640, 453077), (736, 393980), (920, 315184), (1472, 196990), (1840, 157592), (2944, 98495), (3680, 78796), (7360, 39398), (14720, 19699)]