840470421118

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1\times {\mathrm{2039}}^1$

素因数の和:2881

約数の個数: 64

約数和(自身を含む): 1349856576000

約数和(自身を除く): 509386154882

約数列:

[1, 2, 19, 38, 101, 202, 211, 422, 509, 1018, 1919, 2039, 3838, 4009, 4078, 8018, 9671, 19342, 21311, 38741, 42622, 51409, 77482, 102818, 107399, 205939, 214798, 404909, 411878, 430229, 809818, 860458, 976771, 1037851, 1953542, 2040581, 2075702, 3912841, 4081162, 7825682, 8174351, 10847299, 16348702, 19719169, 21694598, 39438338, 43453129, 86906258, 104822951, 206098681, 209645902, 218986561, 412197362, 437973122, 825609451, 1651218902, 1991636069, 3983272138, 4160744659, 8321489318, 22117642661, 44235285322, 420235210559, 840470421118]

約数ペア:

[(1, 840470421118), (2, 420235210559), (19, 44235285322), (38, 22117642661), (101, 8321489318), (202, 4160744659), (211, 3983272138), (422, 1991636069), (509, 1651218902), (1018, 825609451), (1919, 437973122), (2039, 412197362), (3838, 218986561), (4009, 209645902), (4078, 206098681), (8018, 104822951), (9671, 86906258), (19342, 43453129), (21311, 39438338), (38741, 21694598), (42622, 19719169), (51409, 16348702), (77482, 10847299), (102818, 8174351), (107399, 7825682), (205939, 4081162), (214798, 3912841), (404909, 2075702), (411878, 2040581), (430229, 1953542), (809818, 1037851), (860458, 976771)]