128828300

素因数分解:

$2^2\times 5^2\times {\mathrm{457}}^1\times {\mathrm{2819}}^1$

素因数の和:3290

約数の個数: 36

約数和(自身を含む): 280268520

約数和(自身を除く): 151440220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 457, 914, 1828, 2285, 2819, 4570, 5638, 9140, 11276, 11425, 14095, 22850, 28190, 45700, 56380, 70475, 140950, 281900, 1288283, 2576566, 5153132, 6441415, 12882830, 25765660, 32207075, 64414150, 128828300]

約数ペア:

[(1, 128828300), (2, 64414150), (4, 32207075), (5, 25765660), (10, 12882830), (20, 6441415), (25, 5153132), (50, 2576566), (100, 1288283), (457, 281900), (914, 140950), (1828, 70475), (2285, 56380), (2819, 45700), (4570, 28190), (5638, 22850), (9140, 14095), (11276, 11425)]