28386420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2477}}^1$

素因数の和:2680

約数の個数: 48

約数和(自身を含む): 79930368

約数和(自身を除く): 51543948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1910, 2292, 2477, 2865, 3820, 4954, 5730, 7431, 9908, 11460, 12385, 14862, 24770, 29724, 37155, 49540, 74310, 148620, 473107, 946214, 1419321, 1892428, 2365535, 2838642, 4731070, 5677284, 7096605, 9462140, 14193210, 28386420]

約数ペア:

[(1, 28386420), (2, 14193210), (3, 9462140), (4, 7096605), (5, 5677284), (6, 4731070), (10, 2838642), (12, 2365535), (15, 1892428), (20, 1419321), (30, 946214), (60, 473107), (191, 148620), (382, 74310), (573, 49540), (764, 37155), (955, 29724), (1146, 24770), (1910, 14862), (2292, 12385), (2477, 11460), (2865, 9908), (3820, 7431), (4954, 5730)]