397245730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{298681}}^1$

素因数の和:298714

約数の個数: 32

約数和(自身を含む): 860204160

約数和(自身を除く): 462958430

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 298681, 597362, 1493405, 2090767, 2986810, 4181534, 5674939, 10453835, 11349878, 20907670, 28374695, 39724573, 56749390, 79449146, 198622865, 397245730]

約数ペア:

[(1, 397245730), (2, 198622865), (5, 79449146), (7, 56749390), (10, 39724573), (14, 28374695), (19, 20907670), (35, 11349878), (38, 10453835), (70, 5674939), (95, 4181534), (133, 2986810), (190, 2090767), (266, 1493405), (665, 597362), (1330, 298681)]