257112860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{1523}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 565318656

約数和(自身を除く): 308205796

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 367, 460, 734, 1468, 1523, 1835, 3046, 3670, 6092, 7340, 7615, 8441, 15230, 16882, 30460, 33764, 35029, 42205, 70058, 84410, 140116, 168820, 175145, 350290, 558941, 700580, 1117882, 2235764, 2794705, 5589410, 11178820, 12855643, 25711286, 51422572, 64278215, 128556430, 257112860]

約数ペア:

[(1, 257112860), (2, 128556430), (4, 64278215), (5, 51422572), (10, 25711286), (20, 12855643), (23, 11178820), (46, 5589410), (92, 2794705), (115, 2235764), (230, 1117882), (367, 700580), (460, 558941), (734, 350290), (1468, 175145), (1523, 168820), (1835, 140116), (3046, 84410), (3670, 70058), (6092, 42205), (7340, 35029), (7615, 33764), (8441, 30460), (15230, 16882)]