51382380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17477}}^1$

素因数の和:17503

約数の個数: 72

約数和(自身を含む): 167369328

約数和(自身を除く): 115986948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 17477, 34954, 52431, 69908, 87385, 104862, 122339, 174770, 209724, 244678, 262155, 349540, 367017, 489356, 524310, 611695, 734034, 856373, 1048620, 1223390, 1468068, 1712746, 1835085, 2446780, 2569119, 3425492, 3670170, 4281865, 5138238, 7340340, 8563730, 10276476, 12845595, 17127460, 25691190, 51382380]

約数ペア:

[(1, 51382380), (2, 25691190), (3, 17127460), (4, 12845595), (5, 10276476), (6, 8563730), (7, 7340340), (10, 5138238), (12, 4281865), (14, 3670170), (15, 3425492), (20, 2569119), (21, 2446780), (28, 1835085), (30, 1712746), (35, 1468068), (42, 1223390), (49, 1048620), (60, 856373), (70, 734034), (84, 611695), (98, 524310), (105, 489356), (140, 367017), (147, 349540), (196, 262155), (210, 244678), (245, 209724), (294, 174770), (420, 122339), (490, 104862), (588, 87385), (735, 69908), (980, 52431), (1470, 34954), (2940, 17477)]