127696580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{2557}}^1$

素因数の和:2804

約数の個数: 48

約数和(自身を含む): 293944896

約数和(自身を除く): 166248316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 227, 454, 908, 1135, 2270, 2497, 2557, 4540, 4994, 5114, 9988, 10228, 12485, 12785, 24970, 25570, 28127, 49940, 51140, 56254, 112508, 140635, 281270, 562540, 580439, 1160878, 2321756, 2902195, 5804390, 6384829, 11608780, 12769658, 25539316, 31924145, 63848290, 127696580]

約数ペア:

[(1, 127696580), (2, 63848290), (4, 31924145), (5, 25539316), (10, 12769658), (11, 11608780), (20, 6384829), (22, 5804390), (44, 2902195), (55, 2321756), (110, 1160878), (220, 580439), (227, 562540), (454, 281270), (908, 140635), (1135, 112508), (2270, 56254), (2497, 51140), (2557, 49940), (4540, 28127), (4994, 25570), (5114, 24970), (9988, 12785), (10228, 12485)]