650121920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{290233}}^1$

素因数の和:290257

約数の個数: 56

約数和(自身を含む): 1769266464

約数和(自身を除く): 1119144544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 290233, 580466, 1160932, 1451165, 2031631, 2321864, 2902330, 4063262, 4643728, 5804660, 8126524, 9287456, 10158155, 11609320, 16253048, 18574912, 20316310, 23218640, 32506096, 40632620, 46437280, 65012192, 81265240, 92874560, 130024384, 162530480, 325060960, 650121920]

約数ペア:

[(1, 650121920), (2, 325060960), (4, 162530480), (5, 130024384), (7, 92874560), (8, 81265240), (10, 65012192), (14, 46437280), (16, 40632620), (20, 32506096), (28, 23218640), (32, 20316310), (35, 18574912), (40, 16253048), (56, 11609320), (64, 10158155), (70, 9287456), (80, 8126524), (112, 5804660), (140, 4643728), (160, 4063262), (224, 2902330), (280, 2321864), (320, 2031631), (448, 1451165), (560, 1160932), (1120, 580466), (2240, 290233)]