1913268700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{390463}}^1$

素因数の和:390491

約数の個数: 54

約数和(自身を含む): 4829649216

約数和(自身を除く): 2916380516

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, 390463, 780926, 1561852, 1952315, 2733241, 3904630, 5466482, 7809260, 9761575, 10932964, 13666205, 19132687, 19523150, 27332410, 38265374, 39046300, 54664820, 68331025, 76530748, 95663435, 136662050, 191326870, 273324100, 382653740, 478317175, 956634350, 1913268700]

約数ペア:

[(1, 1913268700), (2, 956634350), (4, 478317175), (5, 382653740), (7, 273324100), (10, 191326870), (14, 136662050), (20, 95663435), (25, 76530748), (28, 68331025), (35, 54664820), (49, 39046300), (50, 38265374), (70, 27332410), (98, 19523150), (100, 19132687), (140, 13666205), (175, 10932964), (196, 9761575), (245, 7809260), (350, 5466482), (490, 3904630), (700, 2733241), (980, 1952315), (1225, 1561852), (2450, 780926), (4900, 390463)]