77188925

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 118742400

約数和(自身を除く): 41553475

約数列:

[1, 5, 11, 17, 19, 25, 55, 79, 85, 95, 121, 187, 209, 275, 323, 395, 425, 475, 605, 869, 935, 1045, 1343, 1501, 1615, 1975, 2057, 2299, 3025, 3553, 4345, 4675, 5225, 6715, 7505, 8075, 9559, 10285, 11495, 14773, 16511, 17765, 21725, 25517, 33575, 37525, 39083, 47795, 51425, 57475, 73865, 82555, 88825, 127585, 162503, 181621, 195415, 238975, 280687, 369325, 412775, 637925, 812515, 908105, 977075, 1403435, 3087557, 4062575, 4540525, 7017175, 15437785, 77188925]

約数ペア:

[(1, 77188925), (5, 15437785), (11, 7017175), (17, 4540525), (19, 4062575), (25, 3087557), (55, 1403435), (79, 977075), (85, 908105), (95, 812515), (121, 637925), (187, 412775), (209, 369325), (275, 280687), (323, 238975), (395, 195415), (425, 181621), (475, 162503), (605, 127585), (869, 88825), (935, 82555), (1045, 73865), (1343, 57475), (1501, 51425), (1615, 47795), (1975, 39083), (2057, 37525), (2299, 33575), (3025, 25517), (3553, 21725), (4345, 17765), (4675, 16511), (5225, 14773), (6715, 11495), (7505, 10285), (8075, 9559)]