4172660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 9386496

約数和(自身を除く): 5213836

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 193, 230, 235, 386, 460, 470, 772, 940, 965, 1081, 1930, 2162, 3860, 4324, 4439, 5405, 8878, 9071, 10810, 17756, 18142, 21620, 22195, 36284, 44390, 45355, 88780, 90710, 181420, 208633, 417266, 834532, 1043165, 2086330, 4172660]

約数ペア:

[(1, 4172660), (2, 2086330), (4, 1043165), (5, 834532), (10, 417266), (20, 208633), (23, 181420), (46, 90710), (47, 88780), (92, 45355), (94, 44390), (115, 36284), (188, 22195), (193, 21620), (230, 18142), (235, 17756), (386, 10810), (460, 9071), (470, 8878), (772, 5405), (940, 4439), (965, 4324), (1081, 3860), (1930, 2162)]