202181375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 296524800

約数和(自身を除く): 94343425

約数列:

[1, 5, 11, 19, 25, 55, 71, 95, 109, 125, 209, 275, 355, 475, 545, 781, 1045, 1199, 1349, 1375, 1775, 2071, 2375, 2725, 3905, 5225, 5995, 6745, 7739, 8875, 10355, 13625, 14839, 19525, 22781, 26125, 29975, 33725, 38695, 51775, 74195, 85129, 97625, 113905, 147041, 149875, 168625, 193475, 258875, 370975, 425645, 569525, 735205, 967375, 1617451, 1854875, 2128225, 2847625, 3676025, 8087255, 10641125, 18380125, 40436275, 202181375]

約数ペア:

[(1, 202181375), (5, 40436275), (11, 18380125), (19, 10641125), (25, 8087255), (55, 3676025), (71, 2847625), (95, 2128225), (109, 1854875), (125, 1617451), (209, 967375), (275, 735205), (355, 569525), (475, 425645), (545, 370975), (781, 258875), (1045, 193475), (1199, 168625), (1349, 149875), (1375, 147041), (1775, 113905), (2071, 97625), (2375, 85129), (2725, 74195), (3905, 51775), (5225, 38695), (5995, 33725), (6745, 29975), (7739, 26125), (8875, 22781), (10355, 19525), (13625, 14839)]