220102025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 335942040

約数和(自身を除く): 115840015

約数列:

[1, 5, 11, 13, 25, 29, 55, 65, 121, 143, 145, 193, 275, 319, 325, 377, 605, 715, 725, 965, 1573, 1595, 1885, 2123, 2509, 3025, 3509, 3575, 4147, 4825, 5597, 7865, 7975, 9425, 10615, 12545, 17545, 20735, 23353, 27599, 27985, 39325, 45617, 53075, 61567, 62725, 72761, 87725, 103675, 116765, 137995, 139925, 228085, 303589, 307835, 363805, 583825, 677237, 689975, 800371, 1140425, 1517945, 1539175, 1819025, 3386185, 4001855, 7589725, 8804081, 16930925, 20009275, 44020405, 220102025]

約数ペア:

[(1, 220102025), (5, 44020405), (11, 20009275), (13, 16930925), (25, 8804081), (29, 7589725), (55, 4001855), (65, 3386185), (121, 1819025), (143, 1539175), (145, 1517945), (193, 1140425), (275, 800371), (319, 689975), (325, 677237), (377, 583825), (605, 363805), (715, 307835), (725, 303589), (965, 228085), (1573, 139925), (1595, 137995), (1885, 116765), (2123, 103675), (2509, 87725), (3025, 72761), (3509, 62725), (3575, 61567), (4147, 53075), (4825, 45617), (5597, 39325), (7865, 27985), (7975, 27599), (9425, 23353), (10615, 20735), (12545, 17545)]