129906980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1823}}^1$

素因数の和:2348

約数の個数: 48

約数和(自身を含む): 312560640

約数和(自身を除く): 182653660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 1823, 2036, 2545, 3563, 3646, 5090, 7126, 7292, 9115, 10180, 12761, 14252, 17815, 18230, 25522, 35630, 36460, 51044, 63805, 71260, 127610, 255220, 927907, 1855814, 3711628, 4639535, 6495349, 9279070, 12990698, 18558140, 25981396, 32476745, 64953490, 129906980]

約数ペア:

[(1, 129906980), (2, 64953490), (4, 32476745), (5, 25981396), (7, 18558140), (10, 12990698), (14, 9279070), (20, 6495349), (28, 4639535), (35, 3711628), (70, 1855814), (140, 927907), (509, 255220), (1018, 127610), (1823, 71260), (2036, 63805), (2545, 51044), (3563, 36460), (3646, 35630), (5090, 25522), (7126, 18230), (7292, 17815), (9115, 14252), (10180, 12761)]