77760190

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2131}}^1$

素因数の和:2268

約数の個数: 32

約数和(自身を含む): 145061280

約数和(自身を除く): 67301090

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 890, 2131, 3649, 4262, 7298, 10655, 18245, 21310, 36490, 87371, 174742, 189659, 379318, 436855, 873710, 948295, 1896590, 7776019, 15552038, 38880095, 77760190]

約数ペア:

[(1, 77760190), (2, 38880095), (5, 15552038), (10, 7776019), (41, 1896590), (82, 948295), (89, 873710), (178, 436855), (205, 379318), (410, 189659), (445, 174742), (890, 87371), (2131, 36490), (3649, 21310), (4262, 18245), (7298, 10655)]