400302

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{353}}^1$

素因数の和:374

約数の個数: 40

約数和(自身を含む): 1028016

約数和(自身を除く): 627714

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 353, 378, 567, 706, 1059, 1134, 2118, 2471, 3177, 4942, 6354, 7413, 9531, 14826, 19062, 22239, 28593, 44478, 57186, 66717, 133434, 200151, 400302]

約数ペア:

[(1, 400302), (2, 200151), (3, 133434), (6, 66717), (7, 57186), (9, 44478), (14, 28593), (18, 22239), (21, 19062), (27, 14826), (42, 9531), (54, 7413), (63, 6354), (81, 4942), (126, 3177), (162, 2471), (189, 2118), (353, 1134), (378, 1059), (567, 706)]