203202220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:875

約数の個数: 72

約数和(自身を含む): 468538560

約数和(自身を除く): 265336340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 169, 260, 316, 338, 395, 676, 761, 790, 845, 1027, 1522, 1580, 1690, 2054, 3044, 3380, 3805, 4108, 5135, 7610, 9893, 10270, 13351, 15220, 19786, 20540, 26702, 39572, 49465, 53404, 60119, 66755, 98930, 120238, 128609, 133510, 197860, 240476, 257218, 267020, 300595, 514436, 601190, 643045, 781547, 1202380, 1286090, 1563094, 2572180, 3126188, 3907735, 7815470, 10160111, 15630940, 20320222, 40640444, 50800555, 101601110, 203202220]

約数ペア:

[(1, 203202220), (2, 101601110), (4, 50800555), (5, 40640444), (10, 20320222), (13, 15630940), (20, 10160111), (26, 7815470), (52, 3907735), (65, 3126188), (79, 2572180), (130, 1563094), (158, 1286090), (169, 1202380), (260, 781547), (316, 643045), (338, 601190), (395, 514436), (676, 300595), (761, 267020), (790, 257218), (845, 240476), (1027, 197860), (1522, 133510), (1580, 128609), (1690, 120238), (2054, 98930), (3044, 66755), (3380, 60119), (3805, 53404), (4108, 49465), (5135, 39572), (7610, 26702), (9893, 20540), (10270, 19786), (13351, 15220)]