15300380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 33699456

約数和(自身を除く): 18399076

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 397, 410, 470, 794, 820, 940, 1588, 1927, 1985, 3854, 3970, 7708, 7940, 9635, 16277, 18659, 19270, 32554, 37318, 38540, 65108, 74636, 81385, 93295, 162770, 186590, 325540, 373180, 765019, 1530038, 3060076, 3825095, 7650190, 15300380]

約数ペア:

[(1, 15300380), (2, 7650190), (4, 3825095), (5, 3060076), (10, 1530038), (20, 765019), (41, 373180), (47, 325540), (82, 186590), (94, 162770), (164, 93295), (188, 81385), (205, 74636), (235, 65108), (397, 38540), (410, 37318), (470, 32554), (794, 19270), (820, 18659), (940, 16277), (1588, 9635), (1927, 7940), (1985, 7708), (3854, 3970)]