178280180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{7069}}^1$

素因数の和:7188

約数の個数: 48

約数和(自身を含む): 407401680

約数和(自身を除く): 229121500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 5044, 6305, 7069, 12610, 14138, 25220, 28276, 35345, 70690, 91897, 141380, 183794, 367588, 459485, 685693, 918970, 1371386, 1837940, 2742772, 3428465, 6856930, 8914009, 13713860, 17828018, 35656036, 44570045, 89140090, 178280180]

約数ペア:

[(1, 178280180), (2, 89140090), (4, 44570045), (5, 35656036), (10, 17828018), (13, 13713860), (20, 8914009), (26, 6856930), (52, 3428465), (65, 2742772), (97, 1837940), (130, 1371386), (194, 918970), (260, 685693), (388, 459485), (485, 367588), (970, 183794), (1261, 141380), (1940, 91897), (2522, 70690), (5044, 35345), (6305, 28276), (7069, 25220), (12610, 14138)]