178935380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{5419}}^1$

素因数の和:5568

約数の個数: 48

約数和(自身を含む): 407930880

約数和(自身を除く): 228995500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 5419, 6604, 8255, 10838, 16510, 21676, 27095, 33020, 54190, 70447, 108380, 140894, 281788, 352235, 688213, 704470, 1376426, 1408940, 2752852, 3441065, 6882130, 8946769, 13764260, 17893538, 35787076, 44733845, 89467690, 178935380]

約数ペア:

[(1, 178935380), (2, 89467690), (4, 44733845), (5, 35787076), (10, 17893538), (13, 13764260), (20, 8946769), (26, 6882130), (52, 3441065), (65, 2752852), (127, 1408940), (130, 1376426), (254, 704470), (260, 688213), (508, 352235), (635, 281788), (1270, 140894), (1651, 108380), (2540, 70447), (3302, 54190), (5419, 33020), (6604, 27095), (8255, 21676), (10838, 16510)]