51284380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1283

約数の個数: 72

約数和(自身を含む): 128299248

約数和(自身を除く): 77014868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1217, 1505, 2107, 2434, 3010, 4214, 4868, 6020, 6085, 8428, 8519, 10535, 12170, 17038, 21070, 24340, 34076, 42140, 42595, 52331, 59633, 85190, 104662, 119266, 170380, 209324, 238532, 261655, 298165, 366317, 523310, 596330, 732634, 1046620, 1192660, 1465268, 1831585, 2564219, 3663170, 5128438, 7326340, 10256876, 12821095, 25642190, 51284380]

約数ペア:

[(1, 51284380), (2, 25642190), (4, 12821095), (5, 10256876), (7, 7326340), (10, 5128438), (14, 3663170), (20, 2564219), (28, 1831585), (35, 1465268), (43, 1192660), (49, 1046620), (70, 732634), (86, 596330), (98, 523310), (140, 366317), (172, 298165), (196, 261655), (215, 238532), (245, 209324), (301, 170380), (430, 119266), (490, 104662), (602, 85190), (860, 59633), (980, 52331), (1204, 42595), (1217, 42140), (1505, 34076), (2107, 24340), (2434, 21070), (3010, 17038), (4214, 12170), (4868, 10535), (6020, 8519), (6085, 8428)]