2009969225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{1697}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 2804552640

約数和(自身を除く): 794583415

約数列:

[1, 5, 11, 25, 55, 59, 73, 275, 295, 365, 649, 803, 1475, 1697, 1825, 3245, 4015, 4307, 8485, 16225, 18667, 20075, 21535, 42425, 47377, 93335, 100123, 107675, 123881, 236885, 466675, 500615, 619405, 1101353, 1184425, 1362691, 2503075, 3097025, 5506765, 6813455, 7308979, 27533825, 34067275, 36544895, 80398769, 182724475, 401993845, 2009969225]

約数ペア:

[(1, 2009969225), (5, 401993845), (11, 182724475), (25, 80398769), (55, 36544895), (59, 34067275), (73, 27533825), (275, 7308979), (295, 6813455), (365, 5506765), (649, 3097025), (803, 2503075), (1475, 1362691), (1697, 1184425), (1825, 1101353), (3245, 619405), (4015, 500615), (4307, 466675), (8485, 236885), (16225, 123881), (18667, 107675), (20075, 100123), (21535, 93335), (42425, 47377)]