209215510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{4441}}^1$

素因数の和:5128

約数の個数: 32

約数和(自身を含む): 431122752

約数和(自身を除く): 221907242

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 673, 1346, 3365, 4441, 4711, 6730, 8882, 9422, 22205, 23555, 31087, 44410, 47110, 62174, 155435, 310870, 2988793, 5977586, 14943965, 20921551, 29887930, 41843102, 104607755, 209215510]

約数ペア:

[(1, 209215510), (2, 104607755), (5, 41843102), (7, 29887930), (10, 20921551), (14, 14943965), (35, 5977586), (70, 2988793), (673, 310870), (1346, 155435), (3365, 62174), (4441, 47110), (4711, 44410), (6730, 31087), (8882, 23555), (9422, 22205)]