284391040

素因数分解:

$2^7\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1031}}^1$

素因数の和:1481

約数の個数: 64

約数和(自身を含む): 682110720

約数和(自身を除く): 397719680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 431, 640, 862, 1031, 1724, 2062, 2155, 3448, 4124, 4310, 5155, 6896, 8248, 8620, 10310, 13792, 16496, 17240, 20620, 27584, 32992, 34480, 41240, 55168, 65984, 68960, 82480, 131968, 137920, 164960, 275840, 329920, 444361, 659840, 888722, 1777444, 2221805, 3554888, 4443610, 7109776, 8887220, 14219552, 17774440, 28439104, 35548880, 56878208, 71097760, 142195520, 284391040]

約数ペア:

[(1, 284391040), (2, 142195520), (4, 71097760), (5, 56878208), (8, 35548880), (10, 28439104), (16, 17774440), (20, 14219552), (32, 8887220), (40, 7109776), (64, 4443610), (80, 3554888), (128, 2221805), (160, 1777444), (320, 888722), (431, 659840), (640, 444361), (862, 329920), (1031, 275840), (1724, 164960), (2062, 137920), (2155, 131968), (3448, 82480), (4124, 68960), (4310, 65984), (5155, 55168), (6896, 41240), (8248, 34480), (8620, 32992), (10310, 27584), (13792, 20620), (16496, 17240)]