29161880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 72161280

約数和(自身を除く): 42999400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 191, 220, 347, 382, 440, 694, 764, 955, 1388, 1528, 1735, 1910, 2101, 2776, 3470, 3817, 3820, 4202, 6940, 7634, 7640, 8404, 10505, 13880, 15268, 16808, 19085, 21010, 30536, 38170, 42020, 66277, 76340, 84040, 132554, 152680, 265108, 331385, 530216, 662770, 729047, 1325540, 1458094, 2651080, 2916188, 3645235, 5832376, 7290470, 14580940, 29161880]

約数ペア:

[(1, 29161880), (2, 14580940), (4, 7290470), (5, 5832376), (8, 3645235), (10, 2916188), (11, 2651080), (20, 1458094), (22, 1325540), (40, 729047), (44, 662770), (55, 530216), (88, 331385), (110, 265108), (191, 152680), (220, 132554), (347, 84040), (382, 76340), (440, 66277), (694, 42020), (764, 38170), (955, 30536), (1388, 21010), (1528, 19085), (1735, 16808), (1910, 15268), (2101, 13880), (2776, 10505), (3470, 8404), (3817, 7640), (3820, 7634), (4202, 6940)]