1247305780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{173}}^1\times {\mathrm{1051}}^1$

素因数の和:1254

約数の個数: 96

約数和(自身を含む): 3075206400

約数和(自身を除く): 1827900620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 173, 196, 245, 343, 346, 490, 686, 692, 865, 980, 1051, 1211, 1372, 1715, 1730, 2102, 2422, 3430, 3460, 4204, 4844, 5255, 6055, 6860, 7357, 8477, 10510, 12110, 14714, 16954, 21020, 24220, 29428, 33908, 36785, 42385, 51499, 59339, 73570, 84770, 102998, 118678, 147140, 169540, 181823, 205996, 237356, 257495, 296695, 360493, 363646, 514990, 593390, 720986, 727292, 909115, 1029980, 1186780, 1272761, 1441972, 1802465, 1818230, 2545522, 3604930, 3636460, 5091044, 6363805, 7209860, 8909327, 12727610, 17818654, 25455220, 35637308, 44546635, 62365289, 89093270, 124730578, 178186540, 249461156, 311826445, 623652890, 1247305780]

約数ペア:

[(1, 1247305780), (2, 623652890), (4, 311826445), (5, 249461156), (7, 178186540), (10, 124730578), (14, 89093270), (20, 62365289), (28, 44546635), (35, 35637308), (49, 25455220), (70, 17818654), (98, 12727610), (140, 8909327), (173, 7209860), (196, 6363805), (245, 5091044), (343, 3636460), (346, 3604930), (490, 2545522), (686, 1818230), (692, 1802465), (865, 1441972), (980, 1272761), (1051, 1186780), (1211, 1029980), (1372, 909115), (1715, 727292), (1730, 720986), (2102, 593390), (2422, 514990), (3430, 363646), (3460, 360493), (4204, 296695), (4844, 257495), (5255, 237356), (6055, 205996), (6860, 181823), (7357, 169540), (8477, 147140), (10510, 118678), (12110, 102998), (14714, 84770), (16954, 73570), (21020, 59339), (24220, 51499), (29428, 42385), (33908, 36785)]