2018784820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{17293}}^1$

素因数の和:17764

約数の個数: 48

約数和(自身を含む): 4575992400

約数和(自身を除く): 2557207580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 449, 898, 1796, 2245, 4490, 5837, 8980, 11674, 17293, 23348, 29185, 34586, 58370, 69172, 86465, 116740, 172930, 224809, 345860, 449618, 899236, 1124045, 2248090, 4496180, 7764557, 15529114, 31058228, 38822785, 77645570, 100939241, 155291140, 201878482, 403756964, 504696205, 1009392410, 2018784820]

約数ペア:

[(1, 2018784820), (2, 1009392410), (4, 504696205), (5, 403756964), (10, 201878482), (13, 155291140), (20, 100939241), (26, 77645570), (52, 38822785), (65, 31058228), (130, 15529114), (260, 7764557), (449, 4496180), (898, 2248090), (1796, 1124045), (2245, 899236), (4490, 449618), (5837, 345860), (8980, 224809), (11674, 172930), (17293, 116740), (23348, 86465), (29185, 69172), (34586, 58370)]