68487980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1613}}^1$

素因数の和:1826

約数の個数: 48

約数和(自身を含む): 157810464

約数和(自身を除く): 89322484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 220, 386, 772, 965, 1613, 1930, 2123, 3226, 3860, 4246, 6452, 8065, 8492, 10615, 16130, 17743, 21230, 32260, 35486, 42460, 70972, 88715, 177430, 311309, 354860, 622618, 1245236, 1556545, 3113090, 3424399, 6226180, 6848798, 13697596, 17121995, 34243990, 68487980]

約数ペア:

[(1, 68487980), (2, 34243990), (4, 17121995), (5, 13697596), (10, 6848798), (11, 6226180), (20, 3424399), (22, 3113090), (44, 1556545), (55, 1245236), (110, 622618), (193, 354860), (220, 311309), (386, 177430), (772, 88715), (965, 70972), (1613, 42460), (1930, 35486), (2123, 32260), (3226, 21230), (3860, 17743), (4246, 16130), (6452, 10615), (8065, 8492)]