156958147600

素因数分解:

$2^4\times 5^2\times {\mathrm{991}}^1\times {\mathrm{395959}}^1$

素因数の和:396968

約数の個数: 60

約数和(自身を含む): 377473419520

約数和(自身を除く): 220515271920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 991, 1982, 3964, 4955, 7928, 9910, 15856, 19820, 24775, 39640, 49550, 79280, 99100, 198200, 395959, 396400, 791918, 1583836, 1979795, 3167672, 3959590, 6335344, 7919180, 9898975, 15838360, 19797950, 31676720, 39595900, 79191800, 158383600, 392395369, 784790738, 1569581476, 1961976845, 3139162952, 3923953690, 6278325904, 7847907380, 9809884225, 15695814760, 19619768450, 31391629520, 39239536900, 78479073800, 156958147600]

約数ペア:

[(1, 156958147600), (2, 78479073800), (4, 39239536900), (5, 31391629520), (8, 19619768450), (10, 15695814760), (16, 9809884225), (20, 7847907380), (25, 6278325904), (40, 3923953690), (50, 3139162952), (80, 1961976845), (100, 1569581476), (200, 784790738), (400, 392395369), (991, 158383600), (1982, 79191800), (3964, 39595900), (4955, 31676720), (7928, 19797950), (9910, 15838360), (15856, 9898975), (19820, 7919180), (24775, 6335344), (39640, 3959590), (49550, 3167672), (79280, 1979795), (99100, 1583836), (198200, 791918), (395959, 396400)]