348515180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{1063}}^1$

素因数の和:1195

約数の個数: 72

約数和(自身を含む): 801434592

約数和(自身を除く): 452919412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 169, 194, 260, 338, 388, 485, 676, 845, 970, 1063, 1261, 1690, 1940, 2126, 2522, 3380, 4252, 5044, 5315, 6305, 10630, 12610, 13819, 16393, 21260, 25220, 27638, 32786, 55276, 65572, 69095, 81965, 103111, 138190, 163930, 179647, 206222, 276380, 327860, 359294, 412444, 515555, 718588, 898235, 1031110, 1340443, 1796470, 2062220, 2680886, 3592940, 5361772, 6702215, 13404430, 17425759, 26808860, 34851518, 69703036, 87128795, 174257590, 348515180]

約数ペア:

[(1, 348515180), (2, 174257590), (4, 87128795), (5, 69703036), (10, 34851518), (13, 26808860), (20, 17425759), (26, 13404430), (52, 6702215), (65, 5361772), (97, 3592940), (130, 2680886), (169, 2062220), (194, 1796470), (260, 1340443), (338, 1031110), (388, 898235), (485, 718588), (676, 515555), (845, 412444), (970, 359294), (1063, 327860), (1261, 276380), (1690, 206222), (1940, 179647), (2126, 163930), (2522, 138190), (3380, 103111), (4252, 81965), (5044, 69095), (5315, 65572), (6305, 55276), (10630, 32786), (12610, 27638), (13819, 25220), (16393, 21260)]