400468768

素因数分解:

$2^5\times 7^2\times {\mathrm{97}}^1\times {\mathrm{2633}}^1$

素因数の和:2754

約数の個数: 72

約数和(自身を含む): 926952012

約数和(自身を除く): 526483244

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 97, 98, 112, 194, 196, 224, 388, 392, 679, 776, 784, 1358, 1552, 1568, 2633, 2716, 3104, 4753, 5266, 5432, 9506, 10532, 10864, 18431, 19012, 21064, 21728, 36862, 38024, 42128, 73724, 76048, 84256, 129017, 147448, 152096, 255401, 258034, 294896, 510802, 516068, 589792, 1021604, 1032136, 1787807, 2043208, 2064272, 3575614, 4086416, 4128544, 7151228, 8172832, 12514649, 14302456, 25029298, 28604912, 50058596, 57209824, 100117192, 200234384, 400468768]

約数ペア:

[(1, 400468768), (2, 200234384), (4, 100117192), (7, 57209824), (8, 50058596), (14, 28604912), (16, 25029298), (28, 14302456), (32, 12514649), (49, 8172832), (56, 7151228), (97, 4128544), (98, 4086416), (112, 3575614), (194, 2064272), (196, 2043208), (224, 1787807), (388, 1032136), (392, 1021604), (679, 589792), (776, 516068), (784, 510802), (1358, 294896), (1552, 258034), (1568, 255401), (2633, 152096), (2716, 147448), (3104, 129017), (4753, 84256), (5266, 76048), (5432, 73724), (9506, 42128), (10532, 38024), (10864, 36862), (18431, 21728), (19012, 21064)]