280079360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4973}}^1$

素因数の和:5009

約数の個数: 88

約数和(自身を含む): 733088016

約数和(自身を除く): 453008656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1024, 1280, 1408, 1760, 2560, 2816, 3520, 4973, 5120, 5632, 7040, 9946, 11264, 14080, 19892, 24865, 28160, 39784, 49730, 54703, 56320, 79568, 99460, 109406, 159136, 198920, 218812, 273515, 318272, 397840, 437624, 547030, 636544, 795680, 875248, 1094060, 1273088, 1591360, 1750496, 2188120, 2546176, 3182720, 3500992, 4376240, 5092352, 6365440, 7001984, 8752480, 12730880, 14003968, 17504960, 25461760, 28007936, 35009920, 56015872, 70019840, 140039680, 280079360]

約数ペア:

[(1, 280079360), (2, 140039680), (4, 70019840), (5, 56015872), (8, 35009920), (10, 28007936), (11, 25461760), (16, 17504960), (20, 14003968), (22, 12730880), (32, 8752480), (40, 7001984), (44, 6365440), (55, 5092352), (64, 4376240), (80, 3500992), (88, 3182720), (110, 2546176), (128, 2188120), (160, 1750496), (176, 1591360), (220, 1273088), (256, 1094060), (320, 875248), (352, 795680), (440, 636544), (512, 547030), (640, 437624), (704, 397840), (880, 318272), (1024, 273515), (1280, 218812), (1408, 198920), (1760, 159136), (2560, 109406), (2816, 99460), (3520, 79568), (4973, 56320), (5120, 54703), (5632, 49730), (7040, 39784), (9946, 28160), (11264, 24865), (14080, 19892)]