209370888925

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{21121}}^1$

素因数の和:21295

約数の個数: 72

約数和(自身を含む): 297834140520

約数和(自身を除く): 88463251595

約数列:

[1, 5, 11, 25, 29, 55, 113, 121, 145, 275, 319, 565, 605, 725, 1243, 1595, 2825, 3025, 3277, 3509, 6215, 7975, 13673, 16385, 17545, 21121, 31075, 36047, 68365, 81925, 87725, 105605, 180235, 232331, 341825, 396517, 528025, 612509, 901175, 1161655, 1982585, 2386673, 2555641, 3062545, 5808275, 6737599, 9912925, 11933365, 12778205, 15312725, 26253403, 33687995, 59666825, 63891025, 69213517, 74113589, 131267015, 168439975, 288787433, 346067585, 370567945, 656335075, 761348687, 1443937165, 1730337925, 1852839725, 3806743435, 7219685825, 8374835557, 19033717175, 41874177785, 209370888925]

約数ペア:

[(1, 209370888925), (5, 41874177785), (11, 19033717175), (25, 8374835557), (29, 7219685825), (55, 3806743435), (113, 1852839725), (121, 1730337925), (145, 1443937165), (275, 761348687), (319, 656335075), (565, 370567945), (605, 346067585), (725, 288787433), (1243, 168439975), (1595, 131267015), (2825, 74113589), (3025, 69213517), (3277, 63891025), (3509, 59666825), (6215, 33687995), (7975, 26253403), (13673, 15312725), (16385, 12778205), (17545, 11933365), (21121, 9912925), (31075, 6737599), (36047, 5808275), (68365, 3062545), (81925, 2555641), (87725, 2386673), (105605, 1982585), (180235, 1161655), (232331, 901175), (341825, 612509), (396517, 528025)]