89851700

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{4561}}^1$

素因数の和:4772

約数の個数: 36

約数和(自身を含む): 196010892

約数和(自身を除く): 106159192

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1970, 3940, 4561, 4925, 9122, 9850, 18244, 19700, 22805, 45610, 91220, 114025, 228050, 456100, 898517, 1797034, 3594068, 4492585, 8985170, 17970340, 22462925, 44925850, 89851700]

約数ペア:

[(1, 89851700), (2, 44925850), (4, 22462925), (5, 17970340), (10, 8985170), (20, 4492585), (25, 3594068), (50, 1797034), (100, 898517), (197, 456100), (394, 228050), (788, 114025), (985, 91220), (1970, 45610), (3940, 22805), (4561, 19700), (4925, 18244), (9122, 9850)]