2155019075

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{557}}^1\times {\mathrm{1279}}^1$

素因数の和:1868

約数の個数: 36

約数和(自身を含む): 2944811520

約数和(自身を除く): 789792445

約数列:

[1, 5, 11, 25, 55, 121, 275, 557, 605, 1279, 2785, 3025, 6127, 6395, 13925, 14069, 30635, 31975, 67397, 70345, 153175, 154759, 336985, 351725, 712403, 773795, 1684925, 3562015, 3868975, 7836433, 17810075, 39182165, 86200763, 195910825, 431003815, 2155019075]

約数ペア:

[(1, 2155019075), (5, 431003815), (11, 195910825), (25, 86200763), (55, 39182165), (121, 17810075), (275, 7836433), (557, 3868975), (605, 3562015), (1279, 1684925), (2785, 773795), (3025, 712403), (6127, 351725), (6395, 336985), (13925, 154759), (14069, 153175), (30635, 70345), (31975, 67397)]