490892690

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{7669}}^1$

素因数の和:7886

約数の個数: 32

約数和(自身を含む): 912852720

約数和(自身を除く): 421960030

約数列:

[1, 2, 5, 10, 37, 74, 173, 185, 346, 370, 865, 1730, 6401, 7669, 12802, 15338, 32005, 38345, 64010, 76690, 283753, 567506, 1326737, 1418765, 2653474, 2837530, 6633685, 13267370, 49089269, 98178538, 245446345, 490892690]

約数ペア:

[(1, 490892690), (2, 245446345), (5, 98178538), (10, 49089269), (37, 13267370), (74, 6633685), (173, 2837530), (185, 2653474), (346, 1418765), (370, 1326737), (865, 567506), (1730, 283753), (6401, 76690), (7669, 64010), (12802, 38345), (15338, 32005)]