54987625

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 88957440

約数和(自身を除く): 33969815

約数列:

[1, 5, 7, 11, 25, 29, 35, 55, 77, 125, 145, 175, 197, 203, 275, 319, 385, 725, 875, 985, 1015, 1375, 1379, 1595, 1925, 2167, 2233, 3625, 4925, 5075, 5713, 6895, 7975, 9625, 10835, 11165, 15169, 24625, 25375, 28565, 34475, 39875, 39991, 54175, 55825, 62843, 75845, 142825, 172375, 199955, 270875, 279125, 314215, 379225, 439901, 714125, 999775, 1571075, 1896125, 2199505, 4998875, 7855375, 10997525, 54987625]

約数ペア:

[(1, 54987625), (5, 10997525), (7, 7855375), (11, 4998875), (25, 2199505), (29, 1896125), (35, 1571075), (55, 999775), (77, 714125), (125, 439901), (145, 379225), (175, 314215), (197, 279125), (203, 270875), (275, 199955), (319, 172375), (385, 142825), (725, 75845), (875, 62843), (985, 55825), (1015, 54175), (1375, 39991), (1379, 39875), (1595, 34475), (1925, 28565), (2167, 25375), (2233, 24625), (3625, 15169), (4925, 11165), (5075, 10835), (5713, 9625), (6895, 7975)]