28220190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 70848000

約数和(自身を除く): 42627810

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 163, 174, 199, 290, 326, 398, 435, 489, 597, 815, 870, 978, 995, 1194, 1630, 1990, 2445, 2985, 4727, 4890, 5771, 5970, 9454, 11542, 14181, 17313, 23635, 28362, 28855, 32437, 34626, 47270, 57710, 64874, 70905, 86565, 97311, 141810, 162185, 173130, 194622, 324370, 486555, 940673, 973110, 1881346, 2822019, 4703365, 5644038, 9406730, 14110095, 28220190]

約数ペア:

[(1, 28220190), (2, 14110095), (3, 9406730), (5, 5644038), (6, 4703365), (10, 2822019), (15, 1881346), (29, 973110), (30, 940673), (58, 486555), (87, 324370), (145, 194622), (163, 173130), (174, 162185), (199, 141810), (290, 97311), (326, 86565), (398, 70905), (435, 64874), (489, 57710), (597, 47270), (815, 34626), (870, 32437), (978, 28855), (995, 28362), (1194, 23635), (1630, 17313), (1990, 14181), (2445, 11542), (2985, 9454), (4727, 5970), (4890, 5771)]