128564975

素因数分解:

$5^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 96

約数和(自身を含む): 214272000

約数和(自身を除く): 85707025

約数列:

[1, 5, 7, 11, 25, 29, 35, 47, 49, 55, 77, 145, 175, 203, 235, 245, 275, 319, 329, 343, 385, 517, 539, 725, 1015, 1175, 1225, 1363, 1421, 1595, 1645, 1715, 1925, 2233, 2303, 2585, 2695, 3619, 3773, 5075, 6815, 7105, 7975, 8225, 8575, 9541, 9947, 11165, 11515, 12925, 13475, 14993, 15631, 16121, 18095, 18865, 25333, 34075, 35525, 47705, 49735, 55825, 57575, 66787, 74965, 78155, 80605, 90475, 94325, 104951, 109417, 126665, 177331, 238525, 248675, 333935, 374825, 390775, 403025, 467509, 524755, 547085, 633325, 734657, 886655, 1669675, 2337545, 2623775, 2735425, 3673285, 4433275, 5142599, 11687725, 18366425, 25712995, 128564975]

約数ペア:

[(1, 128564975), (5, 25712995), (7, 18366425), (11, 11687725), (25, 5142599), (29, 4433275), (35, 3673285), (47, 2735425), (49, 2623775), (55, 2337545), (77, 1669675), (145, 886655), (175, 734657), (203, 633325), (235, 547085), (245, 524755), (275, 467509), (319, 403025), (329, 390775), (343, 374825), (385, 333935), (517, 248675), (539, 238525), (725, 177331), (1015, 126665), (1175, 109417), (1225, 104951), (1363, 94325), (1421, 90475), (1595, 80605), (1645, 78155), (1715, 74965), (1925, 66787), (2233, 57575), (2303, 55825), (2585, 49735), (2695, 47705), (3619, 35525), (3773, 34075), (5075, 25333), (6815, 18865), (7105, 18095), (7975, 16121), (8225, 15631), (8575, 14993), (9541, 13475), (9947, 12925), (11165, 11515)]