1969825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:82

約数の個数: 48

約数和(自身を含む): 3124800

約数和(自身を除く): 1154975

約数列:

[1, 5, 11, 13, 19, 25, 29, 55, 65, 95, 143, 145, 209, 247, 275, 319, 325, 377, 475, 551, 715, 725, 1045, 1235, 1595, 1885, 2717, 2755, 3575, 4147, 5225, 6061, 6175, 7163, 7975, 9425, 13585, 13775, 20735, 30305, 35815, 67925, 78793, 103675, 151525, 179075, 393965, 1969825]

約数ペア:

[(1, 1969825), (5, 393965), (11, 179075), (13, 151525), (19, 103675), (25, 78793), (29, 67925), (55, 35815), (65, 30305), (95, 20735), (143, 13775), (145, 13585), (209, 9425), (247, 7975), (275, 7163), (319, 6175), (325, 6061), (377, 5225), (475, 4147), (551, 3575), (715, 2755), (725, 2717), (1045, 1885), (1235, 1595)]