620170012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{1123}}^1$

素因数の和:1319

約数の個数: 72

約数和(自身を含む): 1372934528

約数和(自身を除く): 752764516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 163, 242, 308, 326, 484, 652, 847, 1123, 1141, 1694, 1793, 2246, 2282, 3388, 3586, 4492, 4564, 7172, 7861, 12353, 12551, 15722, 19723, 24706, 25102, 31444, 39446, 49412, 50204, 78892, 86471, 135883, 138061, 172942, 183049, 271766, 276122, 345884, 366098, 543532, 552244, 732196, 951181, 1281343, 1902362, 2013539, 2562686, 3804724, 4027078, 5125372, 8054156, 14094773, 22148929, 28189546, 44297858, 56379092, 88595716, 155042503, 310085006, 620170012]

約数ペア:

[(1, 620170012), (2, 310085006), (4, 155042503), (7, 88595716), (11, 56379092), (14, 44297858), (22, 28189546), (28, 22148929), (44, 14094773), (77, 8054156), (121, 5125372), (154, 4027078), (163, 3804724), (242, 2562686), (308, 2013539), (326, 1902362), (484, 1281343), (652, 951181), (847, 732196), (1123, 552244), (1141, 543532), (1694, 366098), (1793, 345884), (2246, 276122), (2282, 271766), (3388, 183049), (3586, 172942), (4492, 138061), (4564, 135883), (7172, 86471), (7861, 78892), (12353, 50204), (12551, 49412), (15722, 39446), (19723, 31444), (24706, 25102)]