85447180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 237293280

約数和(自身を除く): 151846100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 182, 190, 196, 245, 247, 260, 266, 353, 364, 380, 455, 490, 494, 532, 637, 665, 706, 910, 931, 980, 988, 1235, 1274, 1330, 1412, 1729, 1765, 1820, 1862, 2470, 2471, 2548, 2660, 3185, 3458, 3530, 3724, 4589, 4655, 4940, 4942, 6370, 6707, 6916, 7060, 8645, 9178, 9310, 9884, 12103, 12355, 12740, 13414, 17290, 17297, 18356, 18620, 22945, 24206, 24710, 26828, 32123, 33535, 34580, 34594, 45890, 46949, 48412, 49420, 60515, 64246, 67070, 69188, 86485, 87191, 91780, 93898, 121030, 128492, 134140, 160615, 172970, 174382, 187796, 224861, 234745, 242060, 321230, 328643, 345940, 348764, 435955, 449722, 469490, 610337, 642460, 657286, 871910, 899444, 938980, 1124305, 1220674, 1314572, 1643215, 1743820, 2248610, 2441348, 3051685, 3286430, 4272359, 4497220, 6103370, 6572860, 8544718, 12206740, 17089436, 21361795, 42723590, 85447180]

約数ペア:

[(1, 85447180), (2, 42723590), (4, 21361795), (5, 17089436), (7, 12206740), (10, 8544718), (13, 6572860), (14, 6103370), (19, 4497220), (20, 4272359), (26, 3286430), (28, 3051685), (35, 2441348), (38, 2248610), (49, 1743820), (52, 1643215), (65, 1314572), (70, 1220674), (76, 1124305), (91, 938980), (95, 899444), (98, 871910), (130, 657286), (133, 642460), (140, 610337), (182, 469490), (190, 449722), (196, 435955), (245, 348764), (247, 345940), (260, 328643), (266, 321230), (353, 242060), (364, 234745), (380, 224861), (455, 187796), (490, 174382), (494, 172970), (532, 160615), (637, 134140), (665, 128492), (706, 121030), (910, 93898), (931, 91780), (980, 87191), (988, 86485), (1235, 69188), (1274, 67070), (1330, 64246), (1412, 60515), (1729, 49420), (1765, 48412), (1820, 46949), (1862, 45890), (2470, 34594), (2471, 34580), (2548, 33535), (2660, 32123), (3185, 26828), (3458, 24710), (3530, 24206), (3724, 22945), (4589, 18620), (4655, 18356), (4940, 17297), (4942, 17290), (6370, 13414), (6707, 12740), (6916, 12355), (7060, 12103), (8645, 9884), (9178, 9310)]