279876688

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:265

約数の個数: 160

約数和(自身を含む): 717731840

約数和(自身を除く): 437855152

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 67, 76, 91, 104, 112, 133, 134, 151, 152, 182, 208, 247, 266, 268, 302, 304, 364, 469, 494, 532, 536, 604, 728, 871, 938, 988, 1057, 1064, 1072, 1208, 1273, 1456, 1729, 1742, 1876, 1963, 1976, 2114, 2128, 2416, 2546, 2869, 3458, 3484, 3752, 3926, 3952, 4228, 5092, 5738, 6097, 6916, 6968, 7504, 7852, 8456, 8911, 10117, 10184, 11476, 12194, 13741, 13832, 13936, 15704, 16549, 16912, 17822, 20083, 20234, 20368, 22952, 24388, 27482, 27664, 31408, 33098, 35644, 37297, 40166, 40468, 45904, 48776, 54964, 66196, 70819, 71288, 74594, 80332, 80936, 97552, 109928, 115843, 131521, 132392, 141638, 142576, 149188, 160664, 161872, 192223, 219856, 231686, 261079, 263042, 264784, 283276, 298376, 321328, 384446, 463372, 522158, 526084, 566552, 596752, 768892, 920647, 926744, 1044316, 1052168, 1133104, 1345561, 1537784, 1841294, 1853488, 2088632, 2104336, 2498899, 2691122, 3075568, 3682588, 4177264, 4997798, 5382244, 7365176, 9995596, 10764488, 14730352, 17492293, 19991192, 21528976, 34984586, 39982384, 69969172, 139938344, 279876688]

約数ペア:

[(1, 279876688), (2, 139938344), (4, 69969172), (7, 39982384), (8, 34984586), (13, 21528976), (14, 19991192), (16, 17492293), (19, 14730352), (26, 10764488), (28, 9995596), (38, 7365176), (52, 5382244), (56, 4997798), (67, 4177264), (76, 3682588), (91, 3075568), (104, 2691122), (112, 2498899), (133, 2104336), (134, 2088632), (151, 1853488), (152, 1841294), (182, 1537784), (208, 1345561), (247, 1133104), (266, 1052168), (268, 1044316), (302, 926744), (304, 920647), (364, 768892), (469, 596752), (494, 566552), (532, 526084), (536, 522158), (604, 463372), (728, 384446), (871, 321328), (938, 298376), (988, 283276), (1057, 264784), (1064, 263042), (1072, 261079), (1208, 231686), (1273, 219856), (1456, 192223), (1729, 161872), (1742, 160664), (1876, 149188), (1963, 142576), (1976, 141638), (2114, 132392), (2128, 131521), (2416, 115843), (2546, 109928), (2869, 97552), (3458, 80936), (3484, 80332), (3752, 74594), (3926, 71288), (3952, 70819), (4228, 66196), (5092, 54964), (5738, 48776), (6097, 45904), (6916, 40468), (6968, 40166), (7504, 37297), (7852, 35644), (8456, 33098), (8911, 31408), (10117, 27664), (10184, 27482), (11476, 24388), (12194, 22952), (13741, 20368), (13832, 20234), (13936, 20083), (15704, 17822), (16549, 16912)]