29781620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7963}}^1$

素因数の和:8000

約数の個数: 48

約数和(自身を含む): 72249408

約数和(自身を除く): 42467788

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 7963, 15926, 31852, 39815, 79630, 87593, 135371, 159260, 175186, 270742, 350372, 437965, 541484, 676855, 875930, 1353710, 1489081, 1751860, 2707420, 2978162, 5956324, 7445405, 14890810, 29781620]

約数ペア:

[(1, 29781620), (2, 14890810), (4, 7445405), (5, 5956324), (10, 2978162), (11, 2707420), (17, 1751860), (20, 1489081), (22, 1353710), (34, 875930), (44, 676855), (55, 541484), (68, 437965), (85, 350372), (110, 270742), (170, 175186), (187, 159260), (220, 135371), (340, 87593), (374, 79630), (748, 39815), (935, 31852), (1870, 15926), (3740, 7963)]