1854808220

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{140729}}^1$

素因数の和:141397

約数の個数: 24

約数和(自身を含む): 3901035600

約数和(自身を除く): 2046227380

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3295, 6590, 13180, 140729, 281458, 562916, 703645, 1407290, 2814580, 92740411, 185480822, 370961644, 463702055, 927404110, 1854808220]

約数ペア:

[(1, 1854808220), (2, 927404110), (4, 463702055), (5, 370961644), (10, 185480822), (20, 92740411), (659, 2814580), (1318, 1407290), (2636, 703645), (3295, 562916), (6590, 281458), (13180, 140729)]