2004105428

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 3880661400

約数和(自身を除く): 1876555972

約数列:

[1, 2, 4, 13, 26, 52, 101, 149, 169, 197, 202, 298, 338, 394, 404, 596, 676, 788, 1313, 1937, 2561, 2626, 3874, 5122, 5252, 7748, 10244, 15049, 17069, 19897, 25181, 29353, 30098, 33293, 34138, 39794, 50362, 58706, 60196, 66586, 68276, 79588, 100724, 117412, 133172, 195637, 258661, 381589, 391274, 517322, 763178, 782548, 1034644, 1526356, 2543281, 2964653, 3362593, 4960657, 5086562, 5929306, 6725186, 9921314, 10173124, 11858612, 13450372, 19842628, 38540489, 77080978, 154161956, 501026357, 1002052714, 2004105428]

約数ペア:

[(1, 2004105428), (2, 1002052714), (4, 501026357), (13, 154161956), (26, 77080978), (52, 38540489), (101, 19842628), (149, 13450372), (169, 11858612), (197, 10173124), (202, 9921314), (298, 6725186), (338, 5929306), (394, 5086562), (404, 4960657), (596, 3362593), (676, 2964653), (788, 2543281), (1313, 1526356), (1937, 1034644), (2561, 782548), (2626, 763178), (3874, 517322), (5122, 391274), (5252, 381589), (7748, 258661), (10244, 195637), (15049, 133172), (17069, 117412), (19897, 100724), (25181, 79588), (29353, 68276), (30098, 66586), (33293, 60196), (34138, 58706), (39794, 50362)]