218004080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5483}}^1$

素因数の和:5574

約数の個数: 80

約数和(自身を含む): 587533824

約数和(自身を除く): 369529744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5483, 5680, 7952, 9940, 10966, 19880, 21932, 27415, 38381, 39760, 43864, 54830, 76762, 87728, 109660, 153524, 191905, 219320, 307048, 383810, 389293, 438640, 614096, 767620, 778586, 1535240, 1557172, 1946465, 2725051, 3070480, 3114344, 3892930, 5450102, 6228688, 7785860, 10900204, 13625255, 15571720, 21800408, 27250510, 31143440, 43600816, 54501020, 109002040, 218004080]

約数ペア:

[(1, 218004080), (2, 109002040), (4, 54501020), (5, 43600816), (7, 31143440), (8, 27250510), (10, 21800408), (14, 15571720), (16, 13625255), (20, 10900204), (28, 7785860), (35, 6228688), (40, 5450102), (56, 3892930), (70, 3114344), (71, 3070480), (80, 2725051), (112, 1946465), (140, 1557172), (142, 1535240), (280, 778586), (284, 767620), (355, 614096), (497, 438640), (560, 389293), (568, 383810), (710, 307048), (994, 219320), (1136, 191905), (1420, 153524), (1988, 109660), (2485, 87728), (2840, 76762), (3976, 54830), (4970, 43864), (5483, 39760), (5680, 38381), (7952, 27415), (9940, 21932), (10966, 19880)]