196721820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{593}}^1$

素因数の和:724

約数の個数: 144

約数和(自身を含む): 635675040

約数和(自身を除く): 438953220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 97, 114, 171, 180, 190, 194, 228, 285, 291, 342, 380, 388, 485, 570, 582, 593, 684, 855, 873, 970, 1140, 1164, 1186, 1455, 1710, 1746, 1779, 1843, 1940, 2372, 2910, 2965, 3420, 3492, 3558, 3686, 4365, 5337, 5529, 5820, 5930, 7116, 7372, 8730, 8895, 9215, 10674, 11058, 11267, 11860, 16587, 17460, 17790, 18430, 21348, 22116, 22534, 26685, 27645, 33174, 33801, 35580, 36860, 45068, 53370, 55290, 56335, 57521, 66348, 67602, 82935, 101403, 106740, 110580, 112670, 115042, 135204, 165870, 169005, 172563, 202806, 225340, 230084, 287605, 331740, 338010, 345126, 405612, 507015, 517689, 575210, 676020, 690252, 862815, 1014030, 1035378, 1092899, 1150420, 1725630, 2028060, 2070756, 2185798, 2588445, 3278697, 3451260, 4371596, 5176890, 5464495, 6557394, 9836091, 10353780, 10928990, 13114788, 16393485, 19672182, 21857980, 32786970, 39344364, 49180455, 65573940, 98360910, 196721820]

約数ペア:

[(1, 196721820), (2, 98360910), (3, 65573940), (4, 49180455), (5, 39344364), (6, 32786970), (9, 21857980), (10, 19672182), (12, 16393485), (15, 13114788), (18, 10928990), (19, 10353780), (20, 9836091), (30, 6557394), (36, 5464495), (38, 5176890), (45, 4371596), (57, 3451260), (60, 3278697), (76, 2588445), (90, 2185798), (95, 2070756), (97, 2028060), (114, 1725630), (171, 1150420), (180, 1092899), (190, 1035378), (194, 1014030), (228, 862815), (285, 690252), (291, 676020), (342, 575210), (380, 517689), (388, 507015), (485, 405612), (570, 345126), (582, 338010), (593, 331740), (684, 287605), (855, 230084), (873, 225340), (970, 202806), (1140, 172563), (1164, 169005), (1186, 165870), (1455, 135204), (1710, 115042), (1746, 112670), (1779, 110580), (1843, 106740), (1940, 101403), (2372, 82935), (2910, 67602), (2965, 66348), (3420, 57521), (3492, 56335), (3558, 55290), (3686, 53370), (4365, 45068), (5337, 36860), (5529, 35580), (5820, 33801), (5930, 33174), (7116, 27645), (7372, 26685), (8730, 22534), (8895, 22116), (9215, 21348), (10674, 18430), (11058, 17790), (11267, 17460), (11860, 16587)]