129691400

素因数分解:

$2^3\times 5^2\times {\mathrm{277}}^1\times {\mathrm{2341}}^1$

素因数の和:2634

約数の個数: 48

約数和(自身を含む): 302750340

約数和(自身を除く): 173058940

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 277, 554, 1108, 1385, 2216, 2341, 2770, 4682, 5540, 6925, 9364, 11080, 11705, 13850, 18728, 23410, 27700, 46820, 55400, 58525, 93640, 117050, 234100, 468200, 648457, 1296914, 2593828, 3242285, 5187656, 6484570, 12969140, 16211425, 25938280, 32422850, 64845700, 129691400]

約数ペア:

[(1, 129691400), (2, 64845700), (4, 32422850), (5, 25938280), (8, 16211425), (10, 12969140), (20, 6484570), (25, 5187656), (40, 3242285), (50, 2593828), (100, 1296914), (200, 648457), (277, 468200), (554, 234100), (1108, 117050), (1385, 93640), (2216, 58525), (2341, 55400), (2770, 46820), (4682, 27700), (5540, 23410), (6925, 18728), (9364, 13850), (11080, 11705)]