89740180

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^2\times {\mathrm{1289}}^1$

素因数の和:1416

約数の個数: 36

約数和(自身を含む): 191851380

約数和(自身を除く): 102111200

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 1289, 2578, 3481, 5156, 6445, 6962, 12890, 13924, 17405, 25780, 34810, 69620, 76051, 152102, 304204, 380255, 760510, 1521020, 4487009, 8974018, 17948036, 22435045, 44870090, 89740180]

約数ペア:

[(1, 89740180), (2, 44870090), (4, 22435045), (5, 17948036), (10, 8974018), (20, 4487009), (59, 1521020), (118, 760510), (236, 380255), (295, 304204), (590, 152102), (1180, 76051), (1289, 69620), (2578, 34810), (3481, 25780), (5156, 17405), (6445, 13924), (6962, 12890)]