173205920

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 422392320

約数和(自身を除く): 249186400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 79, 80, 142, 158, 160, 193, 284, 316, 355, 386, 395, 568, 632, 710, 772, 790, 965, 1136, 1264, 1420, 1544, 1580, 1930, 2272, 2528, 2840, 3088, 3160, 3860, 5609, 5680, 6176, 6320, 7720, 11218, 11360, 12640, 13703, 15247, 15440, 22436, 27406, 28045, 30494, 30880, 44872, 54812, 56090, 60988, 68515, 76235, 89744, 109624, 112180, 121976, 137030, 152470, 179488, 219248, 224360, 243952, 274060, 304940, 438496, 448720, 487904, 548120, 609880, 897440, 1082537, 1096240, 1219760, 2165074, 2192480, 2439520, 4330148, 5412685, 8660296, 10825370, 17320592, 21650740, 34641184, 43301480, 86602960, 173205920]

約数ペア:

[(1, 173205920), (2, 86602960), (4, 43301480), (5, 34641184), (8, 21650740), (10, 17320592), (16, 10825370), (20, 8660296), (32, 5412685), (40, 4330148), (71, 2439520), (79, 2192480), (80, 2165074), (142, 1219760), (158, 1096240), (160, 1082537), (193, 897440), (284, 609880), (316, 548120), (355, 487904), (386, 448720), (395, 438496), (568, 304940), (632, 274060), (710, 243952), (772, 224360), (790, 219248), (965, 179488), (1136, 152470), (1264, 137030), (1420, 121976), (1544, 112180), (1580, 109624), (1930, 89744), (2272, 76235), (2528, 68515), (2840, 60988), (3088, 56090), (3160, 54812), (3860, 44872), (5609, 30880), (5680, 30494), (6176, 28045), (6320, 27406), (7720, 22436), (11218, 15440), (11360, 15247), (12640, 13703)]