420080728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{15269}}^1$

素因数の和:15475

約数の個数: 32

約数和(自身を含む): 833742000

約数和(自身を除く): 413661272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 181, 362, 724, 1448, 3439, 6878, 13756, 15269, 27512, 30538, 61076, 122152, 290111, 580222, 1160444, 2320888, 2763689, 5527378, 11054756, 22109512, 52510091, 105020182, 210040364, 420080728]

約数ペア:

[(1, 420080728), (2, 210040364), (4, 105020182), (8, 52510091), (19, 22109512), (38, 11054756), (76, 5527378), (152, 2763689), (181, 2320888), (362, 1160444), (724, 580222), (1448, 290111), (3439, 122152), (6878, 61076), (13756, 30538), (15269, 27512)]