339984005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 440640000

約数和(自身を除く): 100655995

約数列:

[1, 5, 19, 79, 89, 95, 395, 445, 509, 1501, 1691, 2545, 7031, 7505, 8455, 9671, 35155, 40211, 45301, 48355, 133589, 201055, 226505, 667945, 764009, 860719, 3578779, 3820045, 4303595, 17893895, 67996801, 339984005]

約数ペア:

[(1, 339984005), (5, 67996801), (19, 17893895), (79, 4303595), (89, 3820045), (95, 3578779), (395, 860719), (445, 764009), (509, 667945), (1501, 226505), (1691, 201055), (2545, 133589), (7031, 48355), (7505, 45301), (8455, 40211), (9671, 35155)]