1657180900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{857}}^1$

素因数の和:1249

約数の個数: 72

約数和(自身を含む): 3670843176

約数和(自身を除く): 2013662276

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 317, 610, 634, 857, 1220, 1268, 1525, 1585, 1714, 3050, 3170, 3428, 4285, 6100, 6340, 7925, 8570, 15850, 17140, 19337, 21425, 31700, 38674, 42850, 52277, 77348, 85700, 96685, 104554, 193370, 209108, 261385, 271669, 386740, 483425, 522770, 543338, 966850, 1045540, 1086676, 1306925, 1358345, 1933700, 2613850, 2716690, 5227700, 5433380, 6791725, 13583450, 16571809, 27166900, 33143618, 66287236, 82859045, 165718090, 331436180, 414295225, 828590450, 1657180900]

約数ペア:

[(1, 1657180900), (2, 828590450), (4, 414295225), (5, 331436180), (10, 165718090), (20, 82859045), (25, 66287236), (50, 33143618), (61, 27166900), (100, 16571809), (122, 13583450), (244, 6791725), (305, 5433380), (317, 5227700), (610, 2716690), (634, 2613850), (857, 1933700), (1220, 1358345), (1268, 1306925), (1525, 1086676), (1585, 1045540), (1714, 966850), (3050, 543338), (3170, 522770), (3428, 483425), (4285, 386740), (6100, 271669), (6340, 261385), (7925, 209108), (8570, 193370), (15850, 104554), (17140, 96685), (19337, 85700), (21425, 77348), (31700, 52277), (38674, 42850)]