255702940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{4073}}^1$

素因数の和:4198

約数の個数: 48

約数和(自身を含む): 557127648

約数和(自身を除く): 301424708

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 730, 860, 1460, 3139, 4073, 6278, 8146, 12556, 15695, 16292, 20365, 31390, 40730, 62780, 81460, 175139, 297329, 350278, 594658, 700556, 875695, 1189316, 1486645, 1751390, 2973290, 3502780, 5946580, 12785147, 25570294, 51140588, 63925735, 127851470, 255702940]

約数ペア:

[(1, 255702940), (2, 127851470), (4, 63925735), (5, 51140588), (10, 25570294), (20, 12785147), (43, 5946580), (73, 3502780), (86, 2973290), (146, 1751390), (172, 1486645), (215, 1189316), (292, 875695), (365, 700556), (430, 594658), (730, 350278), (860, 297329), (1460, 175139), (3139, 81460), (4073, 62780), (6278, 40730), (8146, 31390), (12556, 20365), (15695, 16292)]