28376810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 64385280

約数和(自身を除く): 36008470

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 137, 154, 269, 274, 385, 538, 685, 770, 959, 1345, 1370, 1507, 1883, 1918, 2690, 2959, 3014, 3766, 4795, 5918, 7535, 9415, 9590, 10549, 14795, 15070, 18830, 20713, 21098, 29590, 36853, 41426, 52745, 73706, 103565, 105490, 184265, 207130, 257971, 368530, 405383, 515942, 810766, 1289855, 2026915, 2579710, 2837681, 4053830, 5675362, 14188405, 28376810]

約数ペア:

[(1, 28376810), (2, 14188405), (5, 5675362), (7, 4053830), (10, 2837681), (11, 2579710), (14, 2026915), (22, 1289855), (35, 810766), (55, 515942), (70, 405383), (77, 368530), (110, 257971), (137, 207130), (154, 184265), (269, 105490), (274, 103565), (385, 73706), (538, 52745), (685, 41426), (770, 36853), (959, 29590), (1345, 21098), (1370, 20713), (1507, 18830), (1883, 15070), (1918, 14795), (2690, 10549), (2959, 9590), (3014, 9415), (3766, 7535), (4795, 5918)]