249567760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{757}}^1$

素因数の和:1100

約数の個数: 80

約数和(自身を含む): 627678576

約数和(自身を除く): 378110816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 317, 520, 634, 757, 1040, 1268, 1514, 1585, 2536, 3028, 3170, 3785, 4121, 5072, 6056, 6340, 7570, 8242, 9841, 12112, 12680, 15140, 16484, 19682, 20605, 25360, 30280, 32968, 39364, 41210, 49205, 60560, 65936, 78728, 82420, 98410, 157456, 164840, 196820, 239969, 329680, 393640, 479938, 787280, 959876, 1199845, 1919752, 2399690, 3119597, 3839504, 4799380, 6239194, 9598760, 12478388, 15597985, 19197520, 24956776, 31195970, 49913552, 62391940, 124783880, 249567760]

約数ペア:

[(1, 249567760), (2, 124783880), (4, 62391940), (5, 49913552), (8, 31195970), (10, 24956776), (13, 19197520), (16, 15597985), (20, 12478388), (26, 9598760), (40, 6239194), (52, 4799380), (65, 3839504), (80, 3119597), (104, 2399690), (130, 1919752), (208, 1199845), (260, 959876), (317, 787280), (520, 479938), (634, 393640), (757, 329680), (1040, 239969), (1268, 196820), (1514, 164840), (1585, 157456), (2536, 98410), (3028, 82420), (3170, 78728), (3785, 65936), (4121, 60560), (5072, 49205), (6056, 41210), (6340, 39364), (7570, 32968), (8242, 30280), (9841, 25360), (12112, 20605), (12680, 19682), (15140, 16484)]