71642780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2377}}^1$

素因数の和:2534

約数の個数: 48

約数和(自身を含む): 165394656

約数和(自身を除く): 93751876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 1370, 1507, 2377, 2740, 3014, 4754, 6028, 7535, 9508, 11885, 15070, 23770, 26147, 30140, 47540, 52294, 104588, 130735, 261470, 325649, 522940, 651298, 1302596, 1628245, 3256490, 3582139, 6512980, 7164278, 14328556, 17910695, 35821390, 71642780]

約数ペア:

[(1, 71642780), (2, 35821390), (4, 17910695), (5, 14328556), (10, 7164278), (11, 6512980), (20, 3582139), (22, 3256490), (44, 1628245), (55, 1302596), (110, 651298), (137, 522940), (220, 325649), (274, 261470), (548, 130735), (685, 104588), (1370, 52294), (1507, 47540), (2377, 30140), (2740, 26147), (3014, 23770), (4754, 15070), (6028, 11885), (7535, 9508)]