385220650

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{19213}}^1$

素因数の和:19626

約数の個数: 24

約数和(自身を含む): 718334604

約数和(自身を除く): 333113954

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 2005, 4010, 10025, 19213, 20050, 38426, 96065, 192130, 480325, 960650, 7704413, 15408826, 38522065, 77044130, 192610325, 385220650]

約数ペア:

[(1, 385220650), (2, 192610325), (5, 77044130), (10, 38522065), (25, 15408826), (50, 7704413), (401, 960650), (802, 480325), (2005, 192130), (4010, 96065), (10025, 38426), (19213, 20050)]