30625000

素因数分解:

$2^3\times 5^7\times 7^2$

素因数の和:55

約数の個数: 96

約数和(自身を含む): 83495880

約数和(自身を除く): 52870880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 490, 500, 625, 700, 875, 980, 1000, 1225, 1250, 1400, 1750, 1960, 2450, 2500, 3125, 3500, 4375, 4900, 5000, 6125, 6250, 7000, 8750, 9800, 12250, 12500, 15625, 17500, 21875, 24500, 25000, 30625, 31250, 35000, 43750, 49000, 61250, 62500, 78125, 87500, 109375, 122500, 125000, 153125, 156250, 175000, 218750, 245000, 306250, 312500, 437500, 546875, 612500, 625000, 765625, 875000, 1093750, 1225000, 1531250, 2187500, 3062500, 3828125, 4375000, 6125000, 7656250, 15312500, 30625000]

約数ペア:

[(1, 30625000), (2, 15312500), (4, 7656250), (5, 6125000), (7, 4375000), (8, 3828125), (10, 3062500), (14, 2187500), (20, 1531250), (25, 1225000), (28, 1093750), (35, 875000), (40, 765625), (49, 625000), (50, 612500), (56, 546875), (70, 437500), (98, 312500), (100, 306250), (125, 245000), (140, 218750), (175, 175000), (196, 156250), (200, 153125), (245, 125000), (250, 122500), (280, 109375), (350, 87500), (392, 78125), (490, 62500), (500, 61250), (625, 49000), (700, 43750), (875, 35000), (980, 31250), (1000, 30625), (1225, 25000), (1250, 24500), (1400, 21875), (1750, 17500), (1960, 15625), (2450, 12500), (2500, 12250), (3125, 9800), (3500, 8750), (4375, 7000), (4900, 6250), (5000, 6125)]