289897775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 389305440

約数和(自身を除く): 99407665

約数列:

[1, 5, 25, 29, 37, 101, 107, 145, 185, 505, 535, 725, 925, 1073, 2525, 2675, 2929, 3103, 3737, 3959, 5365, 10807, 14645, 15515, 18685, 19795, 26825, 54035, 73225, 77575, 93425, 98975, 108373, 114811, 270175, 313403, 399859, 541865, 574055, 1567015, 1999295, 2709325, 2870275, 7835075, 9996475, 11595911, 57979555, 289897775]

約数ペア:

[(1, 289897775), (5, 57979555), (25, 11595911), (29, 9996475), (37, 7835075), (101, 2870275), (107, 2709325), (145, 1999295), (185, 1567015), (505, 574055), (535, 541865), (725, 399859), (925, 313403), (1073, 270175), (2525, 114811), (2675, 108373), (2929, 98975), (3103, 93425), (3737, 77575), (3959, 73225), (5365, 54035), (10807, 26825), (14645, 19795), (15515, 18685)]