721203140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271129}}^1$

素因数の和:271164

約数の個数: 48

約数和(自身を含む): 1821993600

約数和(自身を除く): 1100790460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 271129, 542258, 1084516, 1355645, 1897903, 2711290, 3795806, 5151451, 5422580, 7591612, 9489515, 10302902, 18979030, 20605804, 25757255, 36060157, 37958060, 51514510, 72120314, 103029020, 144240628, 180300785, 360601570, 721203140]

約数ペア:

[(1, 721203140), (2, 360601570), (4, 180300785), (5, 144240628), (7, 103029020), (10, 72120314), (14, 51514510), (19, 37958060), (20, 36060157), (28, 25757255), (35, 20605804), (38, 18979030), (70, 10302902), (76, 9489515), (95, 7591612), (133, 5422580), (140, 5151451), (190, 3795806), (266, 2711290), (380, 1897903), (532, 1355645), (665, 1084516), (1330, 542258), (2660, 271129)]