179945780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1297}}^1$

素因数の和:2304

約数の個数: 48

約数和(自身を含む): 432638976

約数和(自身を除く): 252693196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 991, 1297, 1982, 2594, 3964, 4955, 5188, 6485, 6937, 9079, 9910, 12970, 13874, 18158, 19820, 25940, 27748, 34685, 36316, 45395, 69370, 90790, 138740, 181580, 1285327, 2570654, 5141308, 6426635, 8997289, 12853270, 17994578, 25706540, 35989156, 44986445, 89972890, 179945780]

約数ペア:

[(1, 179945780), (2, 89972890), (4, 44986445), (5, 35989156), (7, 25706540), (10, 17994578), (14, 12853270), (20, 8997289), (28, 6426635), (35, 5141308), (70, 2570654), (140, 1285327), (991, 181580), (1297, 138740), (1982, 90790), (2594, 69370), (3964, 45395), (4955, 36316), (5188, 34685), (6485, 27748), (6937, 25940), (9079, 19820), (9910, 18158), (12970, 13874)]