406171640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1450613}}^1$

素因数の和:1450631

約数の個数: 32

約数和(自身を含む): 1044442080

約数和(自身を除く): 638270440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1450613, 2901226, 5802452, 7253065, 10154291, 11604904, 14506130, 20308582, 29012260, 40617164, 50771455, 58024520, 81234328, 101542910, 203085820, 406171640]

約数ペア:

[(1, 406171640), (2, 203085820), (4, 101542910), (5, 81234328), (7, 58024520), (8, 50771455), (10, 40617164), (14, 29012260), (20, 20308582), (28, 14506130), (35, 11604904), (40, 10154291), (56, 7253065), (70, 5802452), (140, 2901226), (280, 1450613)]