1555137020

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{222799}}^1$

素因数の和:223157

約数の個数: 24

約数和(自身を含む): 3275160000

約数和(自身を除く): 1720022980

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 222799, 445598, 891196, 1113995, 2227990, 4455980, 77756851, 155513702, 311027404, 388784255, 777568510, 1555137020]

約数ペア:

[(1, 1555137020), (2, 777568510), (4, 388784255), (5, 311027404), (10, 155513702), (20, 77756851), (349, 4455980), (698, 2227990), (1396, 1113995), (1745, 891196), (3490, 445598), (6980, 222799)]