208773070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 431101440

約数和(自身を除く): 222328370

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 179, 230, 253, 358, 461, 506, 895, 922, 1265, 1790, 1969, 2305, 2530, 3938, 4117, 4610, 5071, 8234, 9845, 10142, 10603, 19690, 20585, 21206, 25355, 41170, 45287, 50710, 53015, 82519, 90574, 106030, 116633, 165038, 226435, 233266, 412595, 452870, 583165, 825190, 907709, 1166330, 1815418, 1897937, 3795874, 4538545, 9077090, 9489685, 18979370, 20877307, 41754614, 104386535, 208773070]

約数ペア:

[(1, 208773070), (2, 104386535), (5, 41754614), (10, 20877307), (11, 18979370), (22, 9489685), (23, 9077090), (46, 4538545), (55, 3795874), (110, 1897937), (115, 1815418), (179, 1166330), (230, 907709), (253, 825190), (358, 583165), (461, 452870), (506, 412595), (895, 233266), (922, 226435), (1265, 165038), (1790, 116633), (1969, 106030), (2305, 90574), (2530, 82519), (3938, 53015), (4117, 50710), (4610, 45287), (5071, 41170), (8234, 25355), (9845, 21206), (10142, 20585), (10603, 19690)]