278156628

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{947}}^1$

素因数の和:1197

約数の個数: 72

約数和(自身を含む): 724651200

約数和(自身を除く): 446494572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 199, 246, 369, 398, 492, 597, 738, 796, 947, 1194, 1476, 1791, 1894, 2388, 2841, 3582, 3788, 5682, 7164, 8159, 8523, 11364, 16318, 17046, 24477, 32636, 34092, 38827, 48954, 73431, 77654, 97908, 116481, 146862, 155308, 188453, 232962, 293724, 349443, 376906, 465924, 565359, 698886, 753812, 1130718, 1397772, 1696077, 2261436, 3392154, 6784308, 7726573, 15453146, 23179719, 30906292, 46359438, 69539157, 92718876, 139078314, 278156628]

約数ペア:

[(1, 278156628), (2, 139078314), (3, 92718876), (4, 69539157), (6, 46359438), (9, 30906292), (12, 23179719), (18, 15453146), (36, 7726573), (41, 6784308), (82, 3392154), (123, 2261436), (164, 1696077), (199, 1397772), (246, 1130718), (369, 753812), (398, 698886), (492, 565359), (597, 465924), (738, 376906), (796, 349443), (947, 293724), (1194, 232962), (1476, 188453), (1791, 155308), (1894, 146862), (2388, 116481), (2841, 97908), (3582, 77654), (3788, 73431), (5682, 48954), (7164, 38827), (8159, 34092), (8523, 32636), (11364, 24477), (16318, 17046)]