1620199400

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{353}}^1\times {\mathrm{433}}^1$

素因数の和:855

約数の個数: 96

約数和(自身を含む): 3857799960

約数和(自身を除く): 2237600560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 353, 424, 433, 530, 706, 866, 1060, 1325, 1412, 1732, 1765, 2120, 2165, 2650, 2824, 3464, 3530, 4330, 5300, 7060, 8660, 8825, 10600, 10825, 14120, 17320, 17650, 18709, 21650, 22949, 35300, 37418, 43300, 45898, 70600, 74836, 86600, 91796, 93545, 114745, 149672, 152849, 183592, 187090, 229490, 305698, 374180, 458980, 467725, 573725, 611396, 748360, 764245, 917960, 935450, 1147450, 1222792, 1528490, 1870900, 2294900, 3056980, 3741800, 3821225, 4589800, 6113960, 7642450, 8100997, 15284900, 16201994, 30569800, 32403988, 40504985, 64807976, 81009970, 162019940, 202524925, 324039880, 405049850, 810099700, 1620199400]

約数ペア:

[(1, 1620199400), (2, 810099700), (4, 405049850), (5, 324039880), (8, 202524925), (10, 162019940), (20, 81009970), (25, 64807976), (40, 40504985), (50, 32403988), (53, 30569800), (100, 16201994), (106, 15284900), (200, 8100997), (212, 7642450), (265, 6113960), (353, 4589800), (424, 3821225), (433, 3741800), (530, 3056980), (706, 2294900), (866, 1870900), (1060, 1528490), (1325, 1222792), (1412, 1147450), (1732, 935450), (1765, 917960), (2120, 764245), (2165, 748360), (2650, 611396), (2824, 573725), (3464, 467725), (3530, 458980), (4330, 374180), (5300, 305698), (7060, 229490), (8660, 187090), (8825, 183592), (10600, 152849), (10825, 149672), (14120, 114745), (17320, 93545), (17650, 91796), (18709, 86600), (21650, 74836), (22949, 70600), (35300, 45898), (37418, 43300)]