201819275

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 298552320

約数和(自身を除く): 96733045

約数列:

[1, 5, 7, 25, 35, 37, 71, 175, 185, 259, 355, 439, 497, 925, 1295, 1775, 2195, 2485, 2627, 3073, 6475, 10975, 12425, 13135, 15365, 16243, 18389, 31169, 65675, 76825, 81215, 91945, 113701, 155845, 218183, 406075, 459725, 568505, 779225, 1090915, 1153253, 2842525, 5454575, 5766265, 8072771, 28831325, 40363855, 201819275]

約数ペア:

[(1, 201819275), (5, 40363855), (7, 28831325), (25, 8072771), (35, 5766265), (37, 5454575), (71, 2842525), (175, 1153253), (185, 1090915), (259, 779225), (355, 568505), (439, 459725), (497, 406075), (925, 218183), (1295, 155845), (1775, 113701), (2195, 91945), (2485, 81215), (2627, 76825), (3073, 65675), (6475, 31169), (10975, 18389), (12425, 16243), (13135, 15365)]