400804968970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{816919}}^1$

素因数の和:817139

約数の個数: 64

約数和(自身を含む): 848864839680

約数和(自身を除く): 448059870710

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 163, 215, 301, 326, 430, 602, 815, 1141, 1505, 1630, 2282, 3010, 5705, 7009, 11410, 14018, 35045, 49063, 70090, 98126, 245315, 490630, 816919, 1633838, 4084595, 5718433, 8169190, 11436866, 28592165, 35127517, 57184330, 70255034, 133157797, 175637585, 245892619, 266315594, 351275170, 491785238, 665788985, 932104579, 1229463095, 1331577970, 1864209158, 2458926190, 4660522895, 5725785271, 9321045790, 11451570542, 28628926355, 40080496897, 57257852710, 80160993794, 200402484485, 400804968970]

約数ペア:

[(1, 400804968970), (2, 200402484485), (5, 80160993794), (7, 57257852710), (10, 40080496897), (14, 28628926355), (35, 11451570542), (43, 9321045790), (70, 5725785271), (86, 4660522895), (163, 2458926190), (215, 1864209158), (301, 1331577970), (326, 1229463095), (430, 932104579), (602, 665788985), (815, 491785238), (1141, 351275170), (1505, 266315594), (1630, 245892619), (2282, 175637585), (3010, 133157797), (5705, 70255034), (7009, 57184330), (11410, 35127517), (14018, 28592165), (35045, 11436866), (49063, 8169190), (70090, 5718433), (98126, 4084595), (245315, 1633838), (490630, 816919)]