127030220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{521}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 272559168

約数和(自身を除く): 145528948

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 167, 292, 334, 365, 521, 668, 730, 835, 1042, 1460, 1670, 2084, 2605, 3340, 5210, 10420, 12191, 24382, 38033, 48764, 60955, 76066, 87007, 121910, 152132, 174014, 190165, 243820, 348028, 380330, 435035, 760660, 870070, 1740140, 6351511, 12703022, 25406044, 31757555, 63515110, 127030220]

約数ペア:

[(1, 127030220), (2, 63515110), (4, 31757555), (5, 25406044), (10, 12703022), (20, 6351511), (73, 1740140), (146, 870070), (167, 760660), (292, 435035), (334, 380330), (365, 348028), (521, 243820), (668, 190165), (730, 174014), (835, 152132), (1042, 121910), (1460, 87007), (1670, 76066), (2084, 60955), (2605, 48764), (3340, 38033), (5210, 24382), (10420, 12191)]