189819080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2857}}^1$

素因数の和:3030

約数の個数: 64

約数和(自身を含む): 469169280

約数和(自身を除く): 279350200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 151, 220, 302, 440, 604, 755, 1208, 1510, 1661, 2857, 3020, 3322, 5714, 6040, 6644, 8305, 11428, 13288, 14285, 16610, 22856, 28570, 31427, 33220, 57140, 62854, 66440, 114280, 125708, 157135, 251416, 314270, 431407, 628540, 862814, 1257080, 1725628, 2157035, 3451256, 4314070, 4745477, 8628140, 9490954, 17256280, 18981908, 23727385, 37963816, 47454770, 94909540, 189819080]

約数ペア:

[(1, 189819080), (2, 94909540), (4, 47454770), (5, 37963816), (8, 23727385), (10, 18981908), (11, 17256280), (20, 9490954), (22, 8628140), (40, 4745477), (44, 4314070), (55, 3451256), (88, 2157035), (110, 1725628), (151, 1257080), (220, 862814), (302, 628540), (440, 431407), (604, 314270), (755, 251416), (1208, 157135), (1510, 125708), (1661, 114280), (2857, 66440), (3020, 62854), (3322, 57140), (5714, 33220), (6040, 31427), (6644, 28570), (8305, 22856), (11428, 16610), (13288, 14285)]