206897840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1834

約数の個数: 80

約数和(自身を含む): 513062400

約数和(自身を除く): 306164560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 632, 760, 790, 1264, 1501, 1520, 1580, 1723, 3002, 3160, 3446, 6004, 6320, 6892, 7505, 8615, 12008, 13784, 15010, 17230, 24016, 27568, 30020, 32737, 34460, 60040, 65474, 68920, 120080, 130948, 136117, 137840, 163685, 261896, 272234, 327370, 523792, 544468, 654740, 680585, 1088936, 1309480, 1361170, 2177872, 2586223, 2618960, 2722340, 5172446, 5444680, 10344892, 10889360, 12931115, 20689784, 25862230, 41379568, 51724460, 103448920, 206897840]

約数ペア:

[(1, 206897840), (2, 103448920), (4, 51724460), (5, 41379568), (8, 25862230), (10, 20689784), (16, 12931115), (19, 10889360), (20, 10344892), (38, 5444680), (40, 5172446), (76, 2722340), (79, 2618960), (80, 2586223), (95, 2177872), (152, 1361170), (158, 1309480), (190, 1088936), (304, 680585), (316, 654740), (380, 544468), (395, 523792), (632, 327370), (760, 272234), (790, 261896), (1264, 163685), (1501, 137840), (1520, 136117), (1580, 130948), (1723, 120080), (3002, 68920), (3160, 65474), (3446, 60040), (6004, 34460), (6320, 32737), (6892, 30020), (7505, 27568), (8615, 24016), (12008, 17230), (13784, 15010)]