400142036

素因数分解:

$2^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{10259}}^1$

素因数の和:10476

約数の個数: 36

約数和(自身を含む): 818748000

約数和(自身を除く): 418605964

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 199, 398, 796, 1393, 2786, 5572, 9751, 10259, 19502, 20518, 39004, 41036, 71813, 143626, 287252, 502691, 1005382, 2010764, 2041541, 4083082, 8166164, 14290787, 28581574, 57163148, 100035509, 200071018, 400142036]

約数ペア:

[(1, 400142036), (2, 200071018), (4, 100035509), (7, 57163148), (14, 28581574), (28, 14290787), (49, 8166164), (98, 4083082), (196, 2041541), (199, 2010764), (398, 1005382), (796, 502691), (1393, 287252), (2786, 143626), (5572, 71813), (9751, 41036), (10259, 39004), (19502, 20518)]