4144660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 9878400

約数和(自身を除く): 5733740

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 839, 988, 1235, 1678, 2470, 3356, 4195, 4940, 8390, 10907, 15941, 16780, 21814, 31882, 43628, 54535, 63764, 79705, 109070, 159410, 207233, 218140, 318820, 414466, 828932, 1036165, 2072330, 4144660]

約数ペア:

[(1, 4144660), (2, 2072330), (4, 1036165), (5, 828932), (10, 414466), (13, 318820), (19, 218140), (20, 207233), (26, 159410), (38, 109070), (52, 79705), (65, 63764), (76, 54535), (95, 43628), (130, 31882), (190, 21814), (247, 16780), (260, 15941), (380, 10907), (494, 8390), (839, 4940), (988, 4195), (1235, 3356), (1678, 2470)]