218079080

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{6011}}^1$

素因数の和:6929

約数の個数: 32

約数和(自身を含む): 491300640

約数和(自身を除く): 273221560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 3628, 4535, 6011, 7256, 9070, 12022, 18140, 24044, 30055, 36280, 48088, 60110, 120220, 240440, 5451977, 10903954, 21807908, 27259885, 43615816, 54519770, 109039540, 218079080]

約数ペア:

[(1, 218079080), (2, 109039540), (4, 54519770), (5, 43615816), (8, 27259885), (10, 21807908), (20, 10903954), (40, 5451977), (907, 240440), (1814, 120220), (3628, 60110), (4535, 48088), (6011, 36280), (7256, 30055), (9070, 24044), (12022, 18140)]