201553880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{5519}}^1$

素因数の和:5624

約数の個数: 64

約数和(自身を含む): 500774400

約数和(自身を除く): 299220520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 166, 220, 332, 415, 440, 664, 830, 913, 1660, 1826, 3320, 3652, 4565, 5519, 7304, 9130, 11038, 18260, 22076, 27595, 36520, 44152, 55190, 60709, 110380, 121418, 220760, 242836, 303545, 458077, 485672, 607090, 916154, 1214180, 1832308, 2290385, 2428360, 3664616, 4580770, 5038847, 9161540, 10077694, 18323080, 20155388, 25194235, 40310776, 50388470, 100776940, 201553880]

約数ペア:

[(1, 201553880), (2, 100776940), (4, 50388470), (5, 40310776), (8, 25194235), (10, 20155388), (11, 18323080), (20, 10077694), (22, 9161540), (40, 5038847), (44, 4580770), (55, 3664616), (83, 2428360), (88, 2290385), (110, 1832308), (166, 1214180), (220, 916154), (332, 607090), (415, 485672), (440, 458077), (664, 303545), (830, 242836), (913, 220760), (1660, 121418), (1826, 110380), (3320, 60709), (3652, 55190), (4565, 44152), (5519, 36520), (7304, 27595), (9130, 22076), (11038, 18260)]