129458840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1153}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 334013760

約数和(自身を除く): 204554920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 401, 802, 1153, 1604, 2005, 2306, 2807, 3208, 4010, 4612, 5614, 5765, 8020, 8071, 9224, 11228, 11530, 14035, 16040, 16142, 22456, 23060, 28070, 32284, 40355, 46120, 56140, 64568, 80710, 112280, 161420, 322840, 462353, 924706, 1849412, 2311765, 3236471, 3698824, 4623530, 6472942, 9247060, 12945884, 16182355, 18494120, 25891768, 32364710, 64729420, 129458840]

約数ペア:

[(1, 129458840), (2, 64729420), (4, 32364710), (5, 25891768), (7, 18494120), (8, 16182355), (10, 12945884), (14, 9247060), (20, 6472942), (28, 4623530), (35, 3698824), (40, 3236471), (56, 2311765), (70, 1849412), (140, 924706), (280, 462353), (401, 322840), (802, 161420), (1153, 112280), (1604, 80710), (2005, 64568), (2306, 56140), (2807, 46120), (3208, 40355), (4010, 32284), (4612, 28070), (5614, 23060), (5765, 22456), (8020, 16142), (8071, 16040), (9224, 14035), (11228, 11530)]