2473990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 4860000

約数和(自身を除く): 2386010

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 449, 551, 898, 1102, 2245, 2755, 4490, 5510, 8531, 13021, 17062, 26042, 42655, 65105, 85310, 130210, 247399, 494798, 1236995, 2473990]

約数ペア:

[(1, 2473990), (2, 1236995), (5, 494798), (10, 247399), (19, 130210), (29, 85310), (38, 65105), (58, 42655), (95, 26042), (145, 17062), (190, 13021), (290, 8531), (449, 5510), (551, 4490), (898, 2755), (1102, 2245)]