31909061380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{159721}}^1$

素因数の和:161164

約数の個数: 48

約数和(自身を含む): 76635893376

約数和(自身を除く): 44726831996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1427, 2854, 5708, 7135, 9989, 14270, 19978, 28540, 39956, 49945, 99890, 159721, 199780, 319442, 638884, 798605, 1118047, 1597210, 2236094, 3194420, 4472188, 5590235, 11180470, 22360940, 227921867, 455843734, 911687468, 1139609335, 1595453069, 2279218670, 3190906138, 4558437340, 6381812276, 7977265345, 15954530690, 31909061380]

約数ペア:

[(1, 31909061380), (2, 15954530690), (4, 7977265345), (5, 6381812276), (7, 4558437340), (10, 3190906138), (14, 2279218670), (20, 1595453069), (28, 1139609335), (35, 911687468), (70, 455843734), (140, 227921867), (1427, 22360940), (2854, 11180470), (5708, 5590235), (7135, 4472188), (9989, 3194420), (14270, 2236094), (19978, 1597210), (28540, 1118047), (39956, 798605), (49945, 638884), (99890, 319442), (159721, 199780)]