287702240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{256877}}^1$

素因数の和:256899

約数の個数: 48

約数和(自身を含む): 776799072

約数和(自身を除く): 489096832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 256877, 513754, 1027508, 1284385, 1798139, 2055016, 2568770, 3596278, 4110032, 5137540, 7192556, 8220064, 8990695, 10275080, 14385112, 17981390, 20550160, 28770224, 35962780, 41100320, 57540448, 71925560, 143851120, 287702240]

約数ペア:

[(1, 287702240), (2, 143851120), (4, 71925560), (5, 57540448), (7, 41100320), (8, 35962780), (10, 28770224), (14, 20550160), (16, 17981390), (20, 14385112), (28, 10275080), (32, 8990695), (35, 8220064), (40, 7192556), (56, 5137540), (70, 4110032), (80, 3596278), (112, 2568770), (140, 2055016), (160, 1798139), (224, 1284385), (280, 1027508), (560, 513754), (1120, 256877)]