318461425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 433900800

約数和(自身を除く): 115439375

約数列:

[1, 5, 17, 25, 47, 85, 107, 149, 235, 425, 535, 745, 799, 1175, 1819, 2533, 2675, 3725, 3995, 5029, 7003, 9095, 12665, 15943, 19975, 25145, 35015, 45475, 63325, 79715, 85493, 119051, 125725, 175075, 271031, 398575, 427465, 595255, 749321, 1355155, 2137325, 2976275, 3746605, 6775775, 12738457, 18733025, 63692285, 318461425]

約数ペア:

[(1, 318461425), (5, 63692285), (17, 18733025), (25, 12738457), (47, 6775775), (85, 3746605), (107, 2976275), (149, 2137325), (235, 1355155), (425, 749321), (535, 595255), (745, 427465), (799, 398575), (1175, 271031), (1819, 175075), (2533, 125725), (2675, 119051), (3725, 85493), (3995, 79715), (5029, 63325), (7003, 45475), (9095, 35015), (12665, 25145), (15943, 19975)]