128545375

素因数分解:

$5^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:737

約数の個数: 48

約数和(自身を含む): 192920832

約数和(自身を除く): 64375457

約数列:

[1, 5, 7, 25, 31, 35, 49, 125, 155, 175, 217, 245, 677, 775, 875, 1085, 1225, 1519, 3385, 3875, 4739, 5425, 6125, 7595, 16925, 20987, 23695, 27125, 33173, 37975, 84625, 104935, 118475, 146909, 165865, 189875, 524675, 592375, 734545, 829325, 1028363, 2623375, 3672725, 4146625, 5141815, 18363625, 25709075, 128545375]

約数ペア:

[(1, 128545375), (5, 25709075), (7, 18363625), (25, 5141815), (31, 4146625), (35, 3672725), (49, 2623375), (125, 1028363), (155, 829325), (175, 734545), (217, 592375), (245, 524675), (677, 189875), (775, 165865), (875, 146909), (1085, 118475), (1225, 104935), (1519, 84625), (3385, 37975), (3875, 33173), (4739, 27125), (5425, 23695), (6125, 20987), (7595, 16925)]