208039780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 486116064

約数和(自身を除く): 278076284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 97, 113, 130, 146, 194, 226, 260, 292, 365, 388, 452, 485, 565, 730, 949, 970, 1130, 1261, 1460, 1469, 1898, 1940, 2260, 2522, 2938, 3796, 4745, 5044, 5876, 6305, 7081, 7345, 8249, 9490, 10961, 12610, 14162, 14690, 16498, 18980, 21922, 25220, 28324, 29380, 32996, 35405, 41245, 43844, 54805, 70810, 82490, 92053, 107237, 109610, 141620, 142493, 164980, 184106, 214474, 219220, 284986, 368212, 428948, 460265, 536185, 569972, 712465, 800153, 920530, 1072370, 1424930, 1600306, 1841060, 2144740, 2849860, 3200612, 4000765, 8001530, 10401989, 16003060, 20803978, 41607956, 52009945, 104019890, 208039780]

約数ペア:

[(1, 208039780), (2, 104019890), (4, 52009945), (5, 41607956), (10, 20803978), (13, 16003060), (20, 10401989), (26, 8001530), (52, 4000765), (65, 3200612), (73, 2849860), (97, 2144740), (113, 1841060), (130, 1600306), (146, 1424930), (194, 1072370), (226, 920530), (260, 800153), (292, 712465), (365, 569972), (388, 536185), (452, 460265), (485, 428948), (565, 368212), (730, 284986), (949, 219220), (970, 214474), (1130, 184106), (1261, 164980), (1460, 142493), (1469, 141620), (1898, 109610), (1940, 107237), (2260, 92053), (2522, 82490), (2938, 70810), (3796, 54805), (4745, 43844), (5044, 41245), (5876, 35405), (6305, 32996), (7081, 29380), (7345, 28324), (8249, 25220), (9490, 21922), (10961, 18980), (12610, 16498), (14162, 14690)]