858343760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{709}}^1$

素因数の和:1168

約数の個数: 80

約数和(自身を含む): 2057494800

約数和(自身を除く): 1199151040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 409, 592, 709, 740, 818, 1418, 1480, 1636, 2045, 2836, 2960, 3272, 3545, 4090, 5672, 6544, 7090, 8180, 11344, 14180, 15133, 16360, 26233, 28360, 30266, 32720, 52466, 56720, 60532, 75665, 104932, 121064, 131165, 151330, 209864, 242128, 262330, 289981, 302660, 419728, 524660, 579962, 605320, 1049320, 1159924, 1210640, 1449905, 2098640, 2319848, 2899810, 4639696, 5799620, 10729297, 11599240, 21458594, 23198480, 42917188, 53646485, 85834376, 107292970, 171668752, 214585940, 429171880, 858343760]

約数ペア:

[(1, 858343760), (2, 429171880), (4, 214585940), (5, 171668752), (8, 107292970), (10, 85834376), (16, 53646485), (20, 42917188), (37, 23198480), (40, 21458594), (74, 11599240), (80, 10729297), (148, 5799620), (185, 4639696), (296, 2899810), (370, 2319848), (409, 2098640), (592, 1449905), (709, 1210640), (740, 1159924), (818, 1049320), (1418, 605320), (1480, 579962), (1636, 524660), (2045, 419728), (2836, 302660), (2960, 289981), (3272, 262330), (3545, 242128), (4090, 209864), (5672, 151330), (6544, 131165), (7090, 121064), (8180, 104932), (11344, 75665), (14180, 60532), (15133, 56720), (16360, 52466), (26233, 32720), (28360, 30266)]