255392900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{52121}}^1$

素因数の和:52149

約数の個数: 54

約数和(自身を含む): 644697018

約数和(自身を除く): 389304118

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, 52121, 104242, 208484, 260605, 364847, 521210, 729694, 1042420, 1303025, 1459388, 1824235, 2553929, 2606050, 3648470, 5107858, 5212100, 7296940, 9121175, 10215716, 12769645, 18242350, 25539290, 36484700, 51078580, 63848225, 127696450, 255392900]

約数ペア:

[(1, 255392900), (2, 127696450), (4, 63848225), (5, 51078580), (7, 36484700), (10, 25539290), (14, 18242350), (20, 12769645), (25, 10215716), (28, 9121175), (35, 7296940), (49, 5212100), (50, 5107858), (70, 3648470), (98, 2606050), (100, 2553929), (140, 1824235), (175, 1459388), (196, 1303025), (245, 1042420), (350, 729694), (490, 521210), (700, 364847), (980, 260605), (1225, 208484), (2450, 104242), (4900, 52121)]