3420220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 7606368

約数和(自身を除く): 4186148

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 97, 164, 172, 194, 205, 215, 388, 410, 430, 485, 820, 860, 970, 1763, 1940, 3526, 3977, 4171, 7052, 7954, 8342, 8815, 15908, 16684, 17630, 19885, 20855, 35260, 39770, 41710, 79540, 83420, 171011, 342022, 684044, 855055, 1710110, 3420220]

約数ペア:

[(1, 3420220), (2, 1710110), (4, 855055), (5, 684044), (10, 342022), (20, 171011), (41, 83420), (43, 79540), (82, 41710), (86, 39770), (97, 35260), (164, 20855), (172, 19885), (194, 17630), (205, 16684), (215, 15908), (388, 8815), (410, 8342), (430, 7954), (485, 7052), (820, 4171), (860, 3977), (970, 3526), (1763, 1940)]