8301580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 20856528

約数和(自身を除く): 12554948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 197, 215, 245, 301, 394, 430, 490, 602, 788, 860, 980, 985, 1204, 1379, 1505, 1970, 2107, 2758, 3010, 3940, 4214, 5516, 6020, 6895, 8428, 8471, 9653, 10535, 13790, 16942, 19306, 21070, 27580, 33884, 38612, 42140, 42355, 48265, 59297, 84710, 96530, 118594, 169420, 193060, 237188, 296485, 415079, 592970, 830158, 1185940, 1660316, 2075395, 4150790, 8301580]

約数ペア:

[(1, 8301580), (2, 4150790), (4, 2075395), (5, 1660316), (7, 1185940), (10, 830158), (14, 592970), (20, 415079), (28, 296485), (35, 237188), (43, 193060), (49, 169420), (70, 118594), (86, 96530), (98, 84710), (140, 59297), (172, 48265), (196, 42355), (197, 42140), (215, 38612), (245, 33884), (301, 27580), (394, 21070), (430, 19306), (490, 16942), (602, 13790), (788, 10535), (860, 9653), (980, 8471), (985, 8428), (1204, 6895), (1379, 6020), (1505, 5516), (1970, 4214), (2107, 3940), (2758, 3010)]