219288575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 317122560

約数和(自身を除く): 97833985

約数列:

[1, 5, 11, 25, 29, 31, 55, 145, 155, 275, 319, 341, 725, 775, 887, 899, 1595, 1705, 4435, 4495, 7975, 8525, 9757, 9889, 22175, 22475, 25723, 27497, 48785, 49445, 128615, 137485, 243925, 247225, 282953, 302467, 643075, 687425, 797413, 1414765, 1512335, 3987065, 7073825, 7561675, 8771543, 19935325, 43857715, 219288575]

約数ペア:

[(1, 219288575), (5, 43857715), (11, 19935325), (25, 8771543), (29, 7561675), (31, 7073825), (55, 3987065), (145, 1512335), (155, 1414765), (275, 797413), (319, 687425), (341, 643075), (725, 302467), (775, 282953), (887, 247225), (899, 243925), (1595, 137485), (1705, 128615), (4435, 49445), (4495, 48785), (7975, 27497), (8525, 25723), (9757, 22475), (9889, 22175)]