56017780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4397}}^1$

素因数の和:4433

約数の個数: 72

約数和(自身を含む): 147403368

約数和(自身を除く): 91385588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 4397, 6370, 8794, 12740, 17588, 21985, 30779, 43970, 57161, 61558, 87940, 114322, 123116, 153895, 215453, 228644, 285805, 307790, 400127, 430906, 571610, 615580, 800254, 861812, 1077265, 1143220, 1600508, 2000635, 2154530, 2800889, 4001270, 4309060, 5601778, 8002540, 11203556, 14004445, 28008890, 56017780]

約数ペア:

[(1, 56017780), (2, 28008890), (4, 14004445), (5, 11203556), (7, 8002540), (10, 5601778), (13, 4309060), (14, 4001270), (20, 2800889), (26, 2154530), (28, 2000635), (35, 1600508), (49, 1143220), (52, 1077265), (65, 861812), (70, 800254), (91, 615580), (98, 571610), (130, 430906), (140, 400127), (182, 307790), (196, 285805), (245, 228644), (260, 215453), (364, 153895), (455, 123116), (490, 114322), (637, 87940), (910, 61558), (980, 57161), (1274, 43970), (1820, 30779), (2548, 21985), (3185, 17588), (4397, 12740), (6370, 8794)]