1891569650

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{449}}^1\times {\mathrm{773}}^1$

素因数の和:1343

約数の個数: 48

約数和(自身を含む): 3563109000

約数和(自身を除く): 1671539350

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 449, 545, 773, 898, 1090, 1546, 2245, 2725, 3865, 4490, 5450, 7730, 11225, 19325, 22450, 38650, 48941, 84257, 97882, 168514, 244705, 347077, 421285, 489410, 694154, 842570, 1223525, 1735385, 2106425, 2447050, 3470770, 4212850, 8676925, 17353850, 37831393, 75662786, 189156965, 378313930, 945784825, 1891569650]

約数ペア:

[(1, 1891569650), (2, 945784825), (5, 378313930), (10, 189156965), (25, 75662786), (50, 37831393), (109, 17353850), (218, 8676925), (449, 4212850), (545, 3470770), (773, 2447050), (898, 2106425), (1090, 1735385), (1546, 1223525), (2245, 842570), (2725, 694154), (3865, 489410), (4490, 421285), (5450, 347077), (7730, 244705), (11225, 168514), (19325, 97882), (22450, 84257), (38650, 48941)]