30238060

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 65268000

約数和(自身を除く): 35029940

約数列:

[1, 2, 4, 5, 10, 20, 73, 139, 146, 149, 278, 292, 298, 365, 556, 596, 695, 730, 745, 1390, 1460, 1490, 2780, 2980, 10147, 10877, 20294, 20711, 21754, 40588, 41422, 43508, 50735, 54385, 82844, 101470, 103555, 108770, 202940, 207110, 217540, 414220, 1511903, 3023806, 6047612, 7559515, 15119030, 30238060]

約数ペア:

[(1, 30238060), (2, 15119030), (4, 7559515), (5, 6047612), (10, 3023806), (20, 1511903), (73, 414220), (139, 217540), (146, 207110), (149, 202940), (278, 108770), (292, 103555), (298, 101470), (365, 82844), (556, 54385), (596, 50735), (695, 43508), (730, 41422), (745, 40588), (1390, 21754), (1460, 20711), (1490, 20294), (2780, 10877), (2980, 10147)]