286787425

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:830

約数の個数: 36

約数和(自身を含む): 384566160

約数和(自身を除く): 97778735

約数列:

[1, 5, 19, 25, 43, 95, 215, 361, 475, 739, 817, 1075, 1805, 3695, 4085, 9025, 14041, 15523, 18475, 20425, 31777, 70205, 77615, 158885, 266779, 351025, 388075, 603763, 794425, 1333895, 3018815, 6669475, 11471497, 15094075, 57357485, 286787425]

約数ペア:

[(1, 286787425), (5, 57357485), (19, 15094075), (25, 11471497), (43, 6669475), (95, 3018815), (215, 1333895), (361, 794425), (475, 603763), (739, 388075), (817, 351025), (1075, 266779), (1805, 158885), (3695, 77615), (4085, 70205), (9025, 31777), (14041, 20425), (15523, 18475)]