251628080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3917}}^1$

素因数の和:4014

約数の個数: 80

約数和(自身を含む): 647128224

約数和(自身を除く): 395500144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 220, 292, 365, 440, 584, 730, 803, 880, 1168, 1460, 1606, 2920, 3212, 3917, 4015, 5840, 6424, 7834, 8030, 12848, 15668, 16060, 19585, 31336, 32120, 39170, 43087, 62672, 64240, 78340, 86174, 156680, 172348, 215435, 285941, 313360, 344696, 430870, 571882, 689392, 861740, 1143764, 1429705, 1723480, 2287528, 2859410, 3145351, 3446960, 4575056, 5718820, 6290702, 11437640, 12581404, 15726755, 22875280, 25162808, 31453510, 50325616, 62907020, 125814040, 251628080]

約数ペア:

[(1, 251628080), (2, 125814040), (4, 62907020), (5, 50325616), (8, 31453510), (10, 25162808), (11, 22875280), (16, 15726755), (20, 12581404), (22, 11437640), (40, 6290702), (44, 5718820), (55, 4575056), (73, 3446960), (80, 3145351), (88, 2859410), (110, 2287528), (146, 1723480), (176, 1429705), (220, 1143764), (292, 861740), (365, 689392), (440, 571882), (584, 430870), (730, 344696), (803, 313360), (880, 285941), (1168, 215435), (1460, 172348), (1606, 156680), (2920, 86174), (3212, 78340), (3917, 64240), (4015, 62672), (5840, 43087), (6424, 39170), (7834, 32120), (8030, 31336), (12848, 19585), (15668, 16060)]