7402820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21773}}^1$

素因数の和:21799

約数の個数: 24

約数和(自身を含む): 16461144

約数和(自身を除く): 9058324

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 21773, 43546, 87092, 108865, 217730, 370141, 435460, 740282, 1480564, 1850705, 3701410, 7402820]

約数ペア:

[(1, 7402820), (2, 3701410), (4, 1850705), (5, 1480564), (10, 740282), (17, 435460), (20, 370141), (34, 217730), (68, 108865), (85, 87092), (170, 43546), (340, 21773)]