28928260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{283}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 64411200

約数和(自身を除く): 35482940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 269, 283, 380, 538, 566, 1076, 1132, 1345, 1415, 2690, 2830, 5111, 5377, 5380, 5660, 10222, 10754, 20444, 21508, 25555, 26885, 51110, 53770, 76127, 102220, 107540, 152254, 304508, 380635, 761270, 1446413, 1522540, 2892826, 5785652, 7232065, 14464130, 28928260]

約数ペア:

[(1, 28928260), (2, 14464130), (4, 7232065), (5, 5785652), (10, 2892826), (19, 1522540), (20, 1446413), (38, 761270), (76, 380635), (95, 304508), (190, 152254), (269, 107540), (283, 102220), (380, 76127), (538, 53770), (566, 51110), (1076, 26885), (1132, 25555), (1345, 21508), (1415, 20444), (2690, 10754), (2830, 10222), (5111, 5660), (5377, 5380)]