1587561020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1\times {\mathrm{2063}}^1$

素因数の和:2534

約数の個数: 48

約数和(自身を含む): 3375630720

約数和(自身を除く): 1788069700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 353, 436, 545, 706, 1090, 1412, 1765, 2063, 2180, 3530, 4126, 7060, 8252, 10315, 20630, 38477, 41260, 76954, 153908, 192385, 224867, 384770, 449734, 728239, 769540, 899468, 1124335, 1456478, 2248670, 2912956, 3641195, 4497340, 7282390, 14564780, 79378051, 158756102, 317512204, 396890255, 793780510, 1587561020]

約数ペア:

[(1, 1587561020), (2, 793780510), (4, 396890255), (5, 317512204), (10, 158756102), (20, 79378051), (109, 14564780), (218, 7282390), (353, 4497340), (436, 3641195), (545, 2912956), (706, 2248670), (1090, 1456478), (1412, 1124335), (1765, 899468), (2063, 769540), (2180, 728239), (3530, 449734), (4126, 384770), (7060, 224867), (8252, 192385), (10315, 153908), (20630, 76954), (38477, 41260)]