1097408080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{721979}}^1$

素因数の和:722011

約数の個数: 40

約数和(自身を含む): 2685765600

約数和(自身を除く): 1588357520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 721979, 1443958, 2887916, 3609895, 5775832, 7219790, 11551664, 13717601, 14439580, 27435202, 28879160, 54870404, 57758320, 68588005, 109740808, 137176010, 219481616, 274352020, 548704040, 1097408080]

約数ペア:

[(1, 1097408080), (2, 548704040), (4, 274352020), (5, 219481616), (8, 137176010), (10, 109740808), (16, 68588005), (19, 57758320), (20, 54870404), (38, 28879160), (40, 27435202), (76, 14439580), (80, 13717601), (95, 11551664), (152, 7219790), (190, 5775832), (304, 3609895), (380, 2887916), (760, 1443958), (1520, 721979)]