219312820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{1091}}^1$

素因数の和:1165

約数の個数: 72

約数和(自身を含む): 507255840

約数和(自身を除く): 287943020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 529, 874, 1058, 1091, 1748, 2116, 2182, 2185, 2645, 4364, 4370, 5290, 5455, 8740, 10051, 10580, 10910, 20102, 20729, 21820, 25093, 40204, 41458, 50186, 50255, 82916, 100372, 100510, 103645, 125465, 201020, 207290, 250930, 414580, 476767, 501860, 577139, 953534, 1154278, 1907068, 2308556, 2383835, 2885695, 4767670, 5771390, 9535340, 10965641, 11542780, 21931282, 43862564, 54828205, 109656410, 219312820]

約数ペア:

[(1, 219312820), (2, 109656410), (4, 54828205), (5, 43862564), (10, 21931282), (19, 11542780), (20, 10965641), (23, 9535340), (38, 5771390), (46, 4767670), (76, 2885695), (92, 2383835), (95, 2308556), (115, 1907068), (190, 1154278), (230, 953534), (380, 577139), (437, 501860), (460, 476767), (529, 414580), (874, 250930), (1058, 207290), (1091, 201020), (1748, 125465), (2116, 103645), (2182, 100510), (2185, 100372), (2645, 82916), (4364, 50255), (4370, 50186), (5290, 41458), (5455, 40204), (8740, 25093), (10051, 21820), (10580, 20729), (10910, 20102)]