28902125

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 45826560

約数和(自身を除く): 16924435

約数列:

[1, 5, 7, 17, 25, 29, 35, 67, 85, 119, 125, 145, 175, 203, 335, 425, 469, 493, 595, 725, 875, 1015, 1139, 1675, 1943, 2125, 2345, 2465, 2975, 3451, 3625, 5075, 5695, 7973, 8375, 9715, 11725, 12325, 13601, 14875, 17255, 25375, 28475, 33031, 39865, 48575, 58625, 61625, 68005, 86275, 142375, 165155, 199325, 231217, 242875, 340025, 431375, 825775, 996625, 1156085, 1700125, 4128875, 5780425, 28902125]

約数ペア:

[(1, 28902125), (5, 5780425), (7, 4128875), (17, 1700125), (25, 1156085), (29, 996625), (35, 825775), (67, 431375), (85, 340025), (119, 242875), (125, 231217), (145, 199325), (175, 165155), (203, 142375), (335, 86275), (425, 68005), (469, 61625), (493, 58625), (595, 48575), (725, 39865), (875, 33031), (1015, 28475), (1139, 25375), (1675, 17255), (1943, 14875), (2125, 13601), (2345, 12325), (2465, 11725), (2975, 9715), (3451, 8375), (3625, 7973), (5075, 5695)]