90156775

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 114278400

約数和(自身を除く): 24121625

約数列:

[1, 5, 25, 79, 191, 239, 395, 955, 1195, 1975, 4775, 5975, 15089, 18881, 45649, 75445, 94405, 228245, 377225, 472025, 1141225, 3606271, 18031355, 90156775]

約数ペア:

[(1, 90156775), (5, 18031355), (25, 3606271), (79, 1141225), (191, 472025), (239, 377225), (395, 228245), (955, 94405), (1195, 75445), (1975, 45649), (4775, 18881), (5975, 15089)]