2100041020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{194809}}^1$

素因数の和:194843

約数の個数: 72

約数和(自身を含む): 5596501680

約数和(自身を除く): 3496460660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 194809, 389618, 779236, 974045, 1363663, 1948090, 2142899, 2727326, 3896180, 4285798, 5454652, 6818315, 8571596, 9545641, 10714495, 13636630, 15000293, 19091282, 21428990, 27273260, 30000586, 38182564, 42857980, 47728205, 60001172, 75001465, 95456410, 105002051, 150002930, 190912820, 210004102, 300005860, 420008204, 525010255, 1050020510, 2100041020]

約数ペア:

[(1, 2100041020), (2, 1050020510), (4, 525010255), (5, 420008204), (7, 300005860), (10, 210004102), (11, 190912820), (14, 150002930), (20, 105002051), (22, 95456410), (28, 75001465), (35, 60001172), (44, 47728205), (49, 42857980), (55, 38182564), (70, 30000586), (77, 27273260), (98, 21428990), (110, 19091282), (140, 15000293), (154, 13636630), (196, 10714495), (220, 9545641), (245, 8571596), (308, 6818315), (385, 5454652), (490, 4285798), (539, 3896180), (770, 2727326), (980, 2142899), (1078, 1948090), (1540, 1363663), (2156, 974045), (2695, 779236), (5390, 389618), (10780, 194809)]