401818384

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1123}}^1$

素因数の和:1268

約数の個数: 80

約数和(自身を含む): 903156480

約数和(自身を除く): 501338096

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 107, 152, 176, 209, 214, 304, 418, 428, 836, 856, 1123, 1177, 1672, 1712, 2033, 2246, 2354, 3344, 4066, 4492, 4708, 8132, 8984, 9416, 12353, 16264, 17968, 18832, 21337, 22363, 24706, 32528, 42674, 44726, 49412, 85348, 89452, 98824, 120161, 170696, 178904, 197648, 234707, 240322, 341392, 357808, 469414, 480644, 938828, 961288, 1321771, 1877656, 1922576, 2283059, 2643542, 3755312, 4566118, 5287084, 9132236, 10574168, 18264472, 21148336, 25113649, 36528944, 50227298, 100454596, 200909192, 401818384]

約数ペア:

[(1, 401818384), (2, 200909192), (4, 100454596), (8, 50227298), (11, 36528944), (16, 25113649), (19, 21148336), (22, 18264472), (38, 10574168), (44, 9132236), (76, 5287084), (88, 4566118), (107, 3755312), (152, 2643542), (176, 2283059), (209, 1922576), (214, 1877656), (304, 1321771), (418, 961288), (428, 938828), (836, 480644), (856, 469414), (1123, 357808), (1177, 341392), (1672, 240322), (1712, 234707), (2033, 197648), (2246, 178904), (2354, 170696), (3344, 120161), (4066, 98824), (4492, 89452), (4708, 85348), (8132, 49412), (8984, 44726), (9416, 42674), (12353, 32528), (16264, 24706), (17968, 22363), (18832, 21337)]