128214625

素因数分解:

$5^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{173}}^1$

素因数の和:224

約数の個数: 72

約数和(自身を含む): 205778664

約数和(自身を除く): 77564039

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 121, 125, 173, 175, 245, 275, 385, 539, 605, 847, 865, 875, 1211, 1225, 1375, 1903, 1925, 2695, 3025, 4235, 4325, 5929, 6055, 6125, 8477, 9515, 9625, 13321, 13475, 15125, 20933, 21175, 21625, 29645, 30275, 42385, 47575, 66605, 67375, 93247, 104665, 105875, 146531, 148225, 151375, 211925, 237875, 333025, 466235, 523325, 732655, 741125, 1025717, 1059625, 1665125, 2331175, 2616625, 3663275, 5128585, 11655875, 18316375, 25642925, 128214625]

約数ペア:

[(1, 128214625), (5, 25642925), (7, 18316375), (11, 11655875), (25, 5128585), (35, 3663275), (49, 2616625), (55, 2331175), (77, 1665125), (121, 1059625), (125, 1025717), (173, 741125), (175, 732655), (245, 523325), (275, 466235), (385, 333025), (539, 237875), (605, 211925), (847, 151375), (865, 148225), (875, 146531), (1211, 105875), (1225, 104665), (1375, 93247), (1903, 67375), (1925, 66605), (2695, 47575), (3025, 42385), (4235, 30275), (4325, 29645), (5929, 21625), (6055, 21175), (6125, 20933), (8477, 15125), (9515, 13475), (9625, 13321)]