279654844

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{547}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 609463680

約数和(自身を除く): 329808836

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 547, 589, 868, 961, 1094, 1178, 1922, 2188, 2356, 3829, 3844, 4123, 6727, 7658, 8246, 10393, 13454, 15316, 16492, 16957, 18259, 20786, 26908, 33914, 36518, 41572, 67828, 72751, 73036, 118699, 127813, 145502, 237398, 255626, 291004, 322183, 474796, 511252, 525667, 644366, 1051334, 1288732, 2102668, 2255281, 3679669, 4510562, 7359338, 9021124, 9987673, 14718676, 19975346, 39950692, 69913711, 139827422, 279654844]

約数ペア:

[(1, 279654844), (2, 139827422), (4, 69913711), (7, 39950692), (14, 19975346), (19, 14718676), (28, 9987673), (31, 9021124), (38, 7359338), (62, 4510562), (76, 3679669), (124, 2255281), (133, 2102668), (217, 1288732), (266, 1051334), (434, 644366), (532, 525667), (547, 511252), (589, 474796), (868, 322183), (961, 291004), (1094, 255626), (1178, 237398), (1922, 145502), (2188, 127813), (2356, 118699), (3829, 73036), (3844, 72751), (4123, 67828), (6727, 41572), (7658, 36518), (8246, 33914), (10393, 26908), (13454, 20786), (15316, 18259), (16492, 16957)]