197438220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2207}}^1$

素因数の和:2300

約数の個数: 144

約数和(自身を含む): 694407168

約数和(自身を除く): 496968948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 994, 1065, 1260, 1278, 1420, 1491, 1988, 2130, 2207, 2485, 2556, 2982, 3195, 4260, 4414, 4473, 4970, 5964, 6390, 6621, 7455, 8828, 8946, 9940, 11035, 12780, 13242, 14910, 15449, 17892, 19863, 22070, 22365, 26484, 29820, 30898, 33105, 39726, 44140, 44730, 46347, 61796, 66210, 77245, 79452, 89460, 92694, 99315, 132420, 139041, 154490, 156697, 185388, 198630, 231735, 278082, 308980, 313394, 397260, 463470, 470091, 556164, 626788, 695205, 783485, 926940, 940182, 1096879, 1390410, 1410273, 1566970, 1880364, 2193758, 2350455, 2780820, 2820546, 3133940, 3290637, 4387516, 4700910, 5484395, 5641092, 6581274, 7051365, 9401820, 9871911, 10968790, 13162548, 14102730, 16453185, 19743822, 21937580, 28205460, 32906370, 39487644, 49359555, 65812740, 98719110, 197438220]

約数ペア:

[(1, 197438220), (2, 98719110), (3, 65812740), (4, 49359555), (5, 39487644), (6, 32906370), (7, 28205460), (9, 21937580), (10, 19743822), (12, 16453185), (14, 14102730), (15, 13162548), (18, 10968790), (20, 9871911), (21, 9401820), (28, 7051365), (30, 6581274), (35, 5641092), (36, 5484395), (42, 4700910), (45, 4387516), (60, 3290637), (63, 3133940), (70, 2820546), (71, 2780820), (84, 2350455), (90, 2193758), (105, 1880364), (126, 1566970), (140, 1410273), (142, 1390410), (180, 1096879), (210, 940182), (213, 926940), (252, 783485), (284, 695205), (315, 626788), (355, 556164), (420, 470091), (426, 463470), (497, 397260), (630, 313394), (639, 308980), (710, 278082), (852, 231735), (994, 198630), (1065, 185388), (1260, 156697), (1278, 154490), (1420, 139041), (1491, 132420), (1988, 99315), (2130, 92694), (2207, 89460), (2485, 79452), (2556, 77245), (2982, 66210), (3195, 61796), (4260, 46347), (4414, 44730), (4473, 44140), (4970, 39726), (5964, 33105), (6390, 30898), (6621, 29820), (7455, 26484), (8828, 22365), (8946, 22070), (9940, 19863), (11035, 17892), (12780, 15449), (13242, 14910)]