287213810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 593762400

約数和(自身を除く): 306548590

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 769, 845, 1105, 1538, 1690, 2197, 2210, 2873, 3845, 4394, 5746, 7690, 9997, 10985, 13073, 14365, 19994, 21970, 26146, 28730, 37349, 49985, 65365, 74698, 99970, 129961, 130730, 169949, 186745, 259922, 339898, 373490, 649805, 849745, 1299610, 1689493, 1699490, 2209337, 3378986, 4418674, 8447465, 11046685, 16894930, 22093370, 28721381, 57442762, 143606905, 287213810]

約数ペア:

[(1, 287213810), (2, 143606905), (5, 57442762), (10, 28721381), (13, 22093370), (17, 16894930), (26, 11046685), (34, 8447465), (65, 4418674), (85, 3378986), (130, 2209337), (169, 1699490), (170, 1689493), (221, 1299610), (338, 849745), (442, 649805), (769, 373490), (845, 339898), (1105, 259922), (1538, 186745), (1690, 169949), (2197, 130730), (2210, 129961), (2873, 99970), (3845, 74698), (4394, 65365), (5746, 49985), (7690, 37349), (9997, 28730), (10985, 26146), (13073, 21970), (14365, 19994)]