426348020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{991}}^1$

素因数の和:1453

約数の個数: 72

約数和(自身を含む): 1044933120

約数和(自身を除く): 618585100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 439, 490, 878, 980, 991, 1756, 1982, 2195, 3073, 3964, 4390, 4955, 6146, 6937, 8780, 9910, 12292, 13874, 15365, 19820, 21511, 27748, 30730, 34685, 43022, 48559, 61460, 69370, 86044, 97118, 107555, 138740, 194236, 215110, 242795, 430220, 435049, 485590, 870098, 971180, 1740196, 2175245, 3045343, 4350490, 6090686, 8700980, 12181372, 15226715, 21317401, 30453430, 42634802, 60906860, 85269604, 106587005, 213174010, 426348020]

約数ペア:

[(1, 426348020), (2, 213174010), (4, 106587005), (5, 85269604), (7, 60906860), (10, 42634802), (14, 30453430), (20, 21317401), (28, 15226715), (35, 12181372), (49, 8700980), (70, 6090686), (98, 4350490), (140, 3045343), (196, 2175245), (245, 1740196), (439, 971180), (490, 870098), (878, 485590), (980, 435049), (991, 430220), (1756, 242795), (1982, 215110), (2195, 194236), (3073, 138740), (3964, 107555), (4390, 97118), (4955, 86044), (6146, 69370), (6937, 61460), (8780, 48559), (9910, 43022), (12292, 34685), (13874, 30730), (15365, 27748), (19820, 21511)]