278896212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1879}}^1$

素因数の和:1946

約数の個数: 144

約数和(自身を含む): 875929600

約数和(自身を除く): 597033388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 31, 36, 38, 42, 57, 62, 63, 76, 84, 93, 114, 124, 126, 133, 171, 186, 217, 228, 252, 266, 279, 342, 372, 399, 434, 532, 558, 589, 651, 684, 798, 868, 1116, 1178, 1197, 1302, 1596, 1767, 1879, 1953, 2356, 2394, 2604, 3534, 3758, 3906, 4123, 4788, 5301, 5637, 7068, 7516, 7812, 8246, 10602, 11274, 12369, 13153, 16492, 16911, 21204, 22548, 24738, 26306, 33822, 35701, 37107, 39459, 49476, 52612, 58249, 67644, 71402, 74214, 78918, 107103, 116498, 118377, 142804, 148428, 157836, 174747, 214206, 232996, 236754, 249907, 321309, 349494, 407743, 428412, 473508, 499814, 524241, 642618, 698988, 749721, 815486, 999628, 1048482, 1106731, 1223229, 1285236, 1499442, 1630972, 2096964, 2213462, 2249163, 2446458, 2998884, 3320193, 3669687, 4426924, 4498326, 4892916, 6640386, 7339374, 7747117, 8996652, 9960579, 13280772, 14678748, 15494234, 19921158, 23241351, 30988468, 39842316, 46482702, 69724053, 92965404, 139448106, 278896212]

約数ペア:

[(1, 278896212), (2, 139448106), (3, 92965404), (4, 69724053), (6, 46482702), (7, 39842316), (9, 30988468), (12, 23241351), (14, 19921158), (18, 15494234), (19, 14678748), (21, 13280772), (28, 9960579), (31, 8996652), (36, 7747117), (38, 7339374), (42, 6640386), (57, 4892916), (62, 4498326), (63, 4426924), (76, 3669687), (84, 3320193), (93, 2998884), (114, 2446458), (124, 2249163), (126, 2213462), (133, 2096964), (171, 1630972), (186, 1499442), (217, 1285236), (228, 1223229), (252, 1106731), (266, 1048482), (279, 999628), (342, 815486), (372, 749721), (399, 698988), (434, 642618), (532, 524241), (558, 499814), (589, 473508), (651, 428412), (684, 407743), (798, 349494), (868, 321309), (1116, 249907), (1178, 236754), (1197, 232996), (1302, 214206), (1596, 174747), (1767, 157836), (1879, 148428), (1953, 142804), (2356, 118377), (2394, 116498), (2604, 107103), (3534, 78918), (3758, 74214), (3906, 71402), (4123, 67644), (4788, 58249), (5301, 52612), (5637, 49476), (7068, 39459), (7516, 37107), (7812, 35701), (8246, 33822), (10602, 26306), (11274, 24738), (12369, 22548), (13153, 21204), (16492, 16911)]