133640980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{919}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 306956160

約数和(自身を除く): 173315180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 661, 919, 1322, 1838, 2644, 3305, 3676, 4595, 6610, 7271, 9190, 10109, 13220, 14542, 18380, 20218, 29084, 36355, 40436, 50545, 72710, 101090, 145420, 202180, 607459, 1214918, 2429836, 3037295, 6074590, 6682049, 12149180, 13364098, 26728196, 33410245, 66820490, 133640980]

約数ペア:

[(1, 133640980), (2, 66820490), (4, 33410245), (5, 26728196), (10, 13364098), (11, 12149180), (20, 6682049), (22, 6074590), (44, 3037295), (55, 2429836), (110, 1214918), (220, 607459), (661, 202180), (919, 145420), (1322, 101090), (1838, 72710), (2644, 50545), (3305, 40436), (3676, 36355), (4595, 29084), (6610, 20218), (7271, 18380), (9190, 14542), (10109, 13220)]