4363660

素因数分解:

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

素因数の和:526

約数の個数: 48

約数和(自身を含む): 10644480

約数和(自身を除く): 6280820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 439, 497, 710, 878, 994, 1420, 1756, 1988, 2195, 2485, 3073, 4390, 4970, 6146, 8780, 9940, 12292, 15365, 30730, 31169, 61460, 62338, 124676, 155845, 218183, 311690, 436366, 623380, 872732, 1090915, 2181830, 4363660]

約数ペア:

[(1, 4363660), (2, 2181830), (4, 1090915), (5, 872732), (7, 623380), (10, 436366), (14, 311690), (20, 218183), (28, 155845), (35, 124676), (70, 62338), (71, 61460), (140, 31169), (142, 30730), (284, 15365), (355, 12292), (439, 9940), (497, 8780), (710, 6146), (878, 4970), (994, 4390), (1420, 3073), (1756, 2485), (1988, 2195)]