31159100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{6359}}^1$

素因数の和:6387

約数の個数: 54

約数和(自身を含む): 78666840

約数和(自身を除く): 47507740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 6359, 12718, 25436, 31795, 44513, 63590, 89026, 127180, 158975, 178052, 222565, 311591, 317950, 445130, 623182, 635900, 890260, 1112825, 1246364, 1557955, 2225650, 3115910, 4451300, 6231820, 7789775, 15579550, 31159100]

約数ペア:

[(1, 31159100), (2, 15579550), (4, 7789775), (5, 6231820), (7, 4451300), (10, 3115910), (14, 2225650), (20, 1557955), (25, 1246364), (28, 1112825), (35, 890260), (49, 635900), (50, 623182), (70, 445130), (98, 317950), (100, 311591), (140, 222565), (175, 178052), (196, 158975), (245, 127180), (350, 89026), (490, 63590), (700, 44513), (980, 31795), (1225, 25436), (2450, 12718), (4900, 6359)]