280915038

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{2543}}^1$

素因数の和:2606

約数の個数: 72

約数和(自身を含む): 680423328

約数和(自身を除く): 399508290

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 102, 114, 153, 171, 306, 323, 342, 361, 646, 722, 969, 1083, 1938, 2166, 2543, 2907, 3249, 5086, 5814, 6137, 6498, 7629, 12274, 15258, 18411, 22887, 36822, 43231, 45774, 48317, 55233, 86462, 96634, 110466, 129693, 144951, 259386, 289902, 389079, 434853, 778158, 821389, 869706, 918023, 1642778, 1836046, 2464167, 2754069, 4928334, 5508138, 7392501, 8262207, 14785002, 15606391, 16524414, 31212782, 46819173, 93638346, 140457519, 280915038]

約数ペア:

[(1, 280915038), (2, 140457519), (3, 93638346), (6, 46819173), (9, 31212782), (17, 16524414), (18, 15606391), (19, 14785002), (34, 8262207), (38, 7392501), (51, 5508138), (57, 4928334), (102, 2754069), (114, 2464167), (153, 1836046), (171, 1642778), (306, 918023), (323, 869706), (342, 821389), (361, 778158), (646, 434853), (722, 389079), (969, 289902), (1083, 259386), (1938, 144951), (2166, 129693), (2543, 110466), (2907, 96634), (3249, 86462), (5086, 55233), (5814, 48317), (6137, 45774), (6498, 43231), (7629, 36822), (12274, 22887), (15258, 18411)]