210657420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5881}}^1$

素因数の和:6095

約数の個数: 72

約数和(自身を含む): 642314400

約数和(自身を除く): 431656980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3980, 5881, 5970, 7164, 8955, 11762, 11940, 17643, 17910, 23524, 29405, 35286, 35820, 52929, 58810, 70572, 88215, 105858, 117620, 176430, 211716, 264645, 352860, 529290, 1058580, 1170319, 2340638, 3510957, 4681276, 5851595, 7021914, 10532871, 11703190, 14043828, 17554785, 21065742, 23406380, 35109570, 42131484, 52664355, 70219140, 105328710, 210657420]

約数ペア:

[(1, 210657420), (2, 105328710), (3, 70219140), (4, 52664355), (5, 42131484), (6, 35109570), (9, 23406380), (10, 21065742), (12, 17554785), (15, 14043828), (18, 11703190), (20, 10532871), (30, 7021914), (36, 5851595), (45, 4681276), (60, 3510957), (90, 2340638), (180, 1170319), (199, 1058580), (398, 529290), (597, 352860), (796, 264645), (995, 211716), (1194, 176430), (1791, 117620), (1990, 105858), (2388, 88215), (2985, 70572), (3582, 58810), (3980, 52929), (5881, 35820), (5970, 35286), (7164, 29405), (8955, 23524), (11762, 17910), (11940, 17643)]