68150180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 167800248

約数和(自身を除く): 99650068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 197, 245, 353, 394, 490, 706, 788, 980, 985, 1379, 1412, 1765, 1970, 2471, 2758, 3530, 3940, 4942, 5516, 6895, 7060, 9653, 9884, 12355, 13790, 17297, 19306, 24710, 27580, 34594, 38612, 48265, 49420, 69188, 69541, 86485, 96530, 139082, 172970, 193060, 278164, 345940, 347705, 486787, 695410, 973574, 1390820, 1947148, 2433935, 3407509, 4867870, 6815018, 9735740, 13630036, 17037545, 34075090, 68150180]

約数ペア:

[(1, 68150180), (2, 34075090), (4, 17037545), (5, 13630036), (7, 9735740), (10, 6815018), (14, 4867870), (20, 3407509), (28, 2433935), (35, 1947148), (49, 1390820), (70, 973574), (98, 695410), (140, 486787), (196, 347705), (197, 345940), (245, 278164), (353, 193060), (394, 172970), (490, 139082), (706, 96530), (788, 86485), (980, 69541), (985, 69188), (1379, 49420), (1412, 48265), (1765, 38612), (1970, 34594), (2471, 27580), (2758, 24710), (3530, 19306), (3940, 17297), (4942, 13790), (5516, 12355), (6895, 9884), (7060, 9653)]