201220180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1437287}}^1$

素因数の和:1437303

約数の個数: 24

約数和(自身を含む): 482928768

約数和(自身を除く): 281708588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1437287, 2874574, 5749148, 7186435, 10061009, 14372870, 20122018, 28745740, 40244036, 50305045, 100610090, 201220180]

約数ペア:

[(1, 201220180), (2, 100610090), (4, 50305045), (5, 40244036), (7, 28745740), (10, 20122018), (14, 14372870), (20, 10061009), (28, 7186435), (35, 5749148), (70, 2874574), (140, 1437287)]