200864680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 463294080

約数和(自身を除く): 262429400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 107, 142, 214, 284, 355, 428, 535, 568, 661, 710, 856, 1070, 1322, 1420, 2140, 2644, 2840, 3305, 4280, 5288, 6610, 7597, 13220, 15194, 26440, 30388, 37985, 46931, 60776, 70727, 75970, 93862, 141454, 151940, 187724, 234655, 282908, 303880, 353635, 375448, 469310, 565816, 707270, 938620, 1414540, 1877240, 2829080, 5021617, 10043234, 20086468, 25108085, 40172936, 50216170, 100432340, 200864680]

約数ペア:

[(1, 200864680), (2, 100432340), (4, 50216170), (5, 40172936), (8, 25108085), (10, 20086468), (20, 10043234), (40, 5021617), (71, 2829080), (107, 1877240), (142, 1414540), (214, 938620), (284, 707270), (355, 565816), (428, 469310), (535, 375448), (568, 353635), (661, 303880), (710, 282908), (856, 234655), (1070, 187724), (1322, 151940), (1420, 141454), (2140, 93862), (2644, 75970), (2840, 70727), (3305, 60776), (4280, 46931), (5288, 37985), (6610, 30388), (7597, 26440), (13220, 15194)]