489741520

素因数分解:

$2^4\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{4219}}^1$

素因数の和:5683

約数の個数: 40

約数和(自身を含む): 1139703840

約数和(自身を除く): 649962320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1451, 2902, 4219, 5804, 7255, 8438, 11608, 14510, 16876, 21095, 23216, 29020, 33752, 42190, 58040, 67504, 84380, 116080, 168760, 337520, 6121769, 12243538, 24487076, 30608845, 48974152, 61217690, 97948304, 122435380, 244870760, 489741520]

約数ペア:

[(1, 489741520), (2, 244870760), (4, 122435380), (5, 97948304), (8, 61217690), (10, 48974152), (16, 30608845), (20, 24487076), (40, 12243538), (80, 6121769), (1451, 337520), (2902, 168760), (4219, 116080), (5804, 84380), (7255, 67504), (8438, 58040), (11608, 42190), (14510, 33752), (16876, 29020), (21095, 23216)]