201582220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{7309}}^1$

素因数の和:7522

約数の個数: 48

約数和(自身を含む): 486319680

約数和(自身を除く): 284737460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 7309, 13790, 14618, 27580, 29236, 36545, 51163, 73090, 102326, 146180, 204652, 255815, 511630, 1023260, 1439873, 2879746, 5759492, 7199365, 10079111, 14398730, 20158222, 28797460, 40316444, 50395555, 100791110, 201582220]

約数ペア:

[(1, 201582220), (2, 100791110), (4, 50395555), (5, 40316444), (7, 28797460), (10, 20158222), (14, 14398730), (20, 10079111), (28, 7199365), (35, 5759492), (70, 2879746), (140, 1439873), (197, 1023260), (394, 511630), (788, 255815), (985, 204652), (1379, 146180), (1970, 102326), (2758, 73090), (3940, 51163), (5516, 36545), (6895, 29236), (7309, 27580), (13790, 14618)]