4878820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 11108160

約数和(自身を除く): 6229340

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 347, 370, 380, 694, 703, 740, 1388, 1406, 1735, 2812, 3470, 3515, 6593, 6940, 7030, 12839, 13186, 14060, 25678, 26372, 32965, 51356, 64195, 65930, 128390, 131860, 243941, 256780, 487882, 975764, 1219705, 2439410, 4878820]

約数ペア:

[(1, 4878820), (2, 2439410), (4, 1219705), (5, 975764), (10, 487882), (19, 256780), (20, 243941), (37, 131860), (38, 128390), (74, 65930), (76, 64195), (95, 51356), (148, 32965), (185, 26372), (190, 25678), (347, 14060), (370, 13186), (380, 12839), (694, 7030), (703, 6940), (740, 6593), (1388, 3515), (1406, 3470), (1735, 2812)]